Search a number
-
+
2440242402220 = 2257109357159389
BaseRepresentation
bin100011100000101001110…
…010000001001110101100
322122021200200121001210101
4203200221302001032230
5304440104023332340
65105010515320444
7341205324115630
oct43405162011654
98567620531711
102440242402220
118609a0245637
12334b282b0124
1314916323731c
14861734bcdc0
15437227e0c9a
hex23829c813ac

2440242402220 has 48 divisors (see below), whose sum is σ = 5856672064320. Its totient is φ = 836641638144.

The previous prime is 2440242402167. The next prime is 2440242402233. The reversal of 2440242402220 is 222042420442.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15230286 + ... + 15389674.

It is an arithmetic number, because the mean of its divisors is an integer number (122014001340).

Almost surely, 22440242402220 is an apocalyptic number.

2440242402220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440242402220 is an abundant number, since it is smaller than the sum of its proper divisors (3416429662100).

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

2440242402220 is a wasteful number, since it uses less digits than its factorization.

2440242402220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268762 (or 268760 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 2440242402220 its reverse (222042420442), we get a palindrome (2662284822662).

The spelling of 2440242402220 in words is "two trillion, four hundred forty billion, two hundred forty-two million, four hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 109357 159389 218714 318778 437428 546785 637556 765499 796945 1093570 1115723 1530998 1593890 2187140 2231446 3061996 3187780 3827495 4462892 5578615 7654990 11157230 15309980 22314460 17430302873 34860605746 69721211492 87151514365 122012120111 174303028730 244024240222 348606057460 488048480444 610060600555 1220121201110 2440242402220