Search a number
-
+
44220242400 = 2535225771693
BaseRepresentation
bin101001001011101110…
…110101100111100000
311020010210012001201120
4221023232311213200
51211030340224100
632151533132240
73123550600335
oct511356654740
9136123161646
1044220242400
11178321a0684
1286a132a080
1342294c7b09
1421d6c9298c
15123c2640a0
hexa4bbb59e0

44220242400 has 144 divisors (see below), whose sum is σ = 144498970224. Its totient is φ = 11746017280.

The previous prime is 44220242333. The next prime is 44220242413. The reversal of 44220242400 is 424202244.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 580954 + ... + 652646.

It is an arithmetic number, because the mean of its divisors is an integer number (1003465071).

Almost surely, 244220242400 is an apocalyptic number.

44220242400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44220242400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72249485112).

44220242400 is an abundant number, since it is smaller than the sum of its proper divisors (100278727824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44220242400 is a wasteful number, since it uses less digits than its factorization.

44220242400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71973 (or 71960 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 44220242400 its reverse (424202244), we get a palindrome (44644444644).

The spelling of 44220242400 in words is "forty-four billion, two hundred twenty million, two hundred forty-two thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 150 160 200 240 257 300 400 480 514 600 771 800 1028 1200 1285 1542 2056 2400 2570 3084 3855 4112 5140 6168 6425 7710 8224 10280 12336 12850 15420 19275 20560 24672 25700 30840 38550 41120 51400 61680 71693 77100 102800 123360 143386 154200 205600 215079 286772 308400 358465 430158 573544 616800 716930 860316 1075395 1147088 1433860 1720632 1792325 2150790 2294176 2867720 3441264 3584650 4301580 5376975 5735440 6882528 7169300 8603160 10753950 11470880 14338600 17206320 18425101 21507900 28677200 34412640 36850202 43015800 55275303 57354400 73700404 86031600 92125505 110550606 147400808 172063200 184251010 221101212 276376515 294801616 368502020 442202424 460627525 552753030 589603232 737004040 884404848 921255050 1105506060 1381882575 1474008080 1768809696 1842510100 2211012120 2763765150 2948016160 3685020200 4422024240 5527530300 7370040400 8844048480 11055060600 14740080800 22110121200 44220242400