Search a number
-
+
22402002040 = 23511231122031
BaseRepresentation
bin10100110111010000…
…110110110001111000
32010211020022121121021
4110313100312301320
5331334403031130
614142532352224
71422066606205
oct246720666170
963736277537
1022402002040
119556389780
124412475674
132160214912
141127306cac
158b1a8a37a
hex537436c78

22402002040 has 64 divisors (see below), whose sum is σ = 55013022720. Its totient is φ = 8142288000.

The previous prime is 22402002017. The next prime is 22402002053. The reversal of 22402002040 is 4020020422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1005825 + ... + 1027855.

It is an arithmetic number, because the mean of its divisors is an integer number (859578480).

Almost surely, 222402002040 is an apocalyptic number.

22402002040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22402002040 is an abundant number, since it is smaller than the sum of its proper divisors (32611020680).

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

22402002040 is a wasteful number, since it uses less digits than its factorization.

22402002040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24364 (or 24360 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22402002040 its reverse (4020020422), we get a palindrome (26422022462).

It can be divided in two parts, 2 and 2402002040, that added together give a palindrome (2402002042).

The spelling of 22402002040 in words is "twenty-two billion, four hundred two million, two thousand, forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 2311 4622 9244 11555 18488 22031 23110 25421 44062 46220 50842 88124 92440 101684 110155 127105 176248 203368 220310 242341 254210 440620 484682 508420 881240 969364 1016840 1211705 1938728 2423410 4846820 9693640 50913641 101827282 203654564 254568205 407309128 509136410 560050051 1018272820 1120100102 2036545640 2240200204 2800250255 4480400408 5600500510 11201001020 22402002040