256234432652 has 24 divisors (see below), whose sum is σ = 489247408272. Its totient is φ = 116452915200.

The previous prime is 256234432651. The next prime is 256234432703.

It is a happy number.

256234432652 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (256234432651) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 129749 + ... + 727532.

It is an arithmetic number, because the mean of its divisors is an integer number (20385308678).

Almost surely, 2^256234432652 is an apocalyptic number.

256234432652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

256234432652 is a deficient number, since it is larger than the sum of its proper divisors (233012975620).

256234432652 is a wasteful number, since it uses less digits than its factorization.

256234432652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864089 (or 864087 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 44.

It can be divided in two parts, 256234 and 432652, that added together give a palindrome (688886).

The spelling of 256234432652 in words is "two hundred fifty-six billion, two hundred thirty-four million, four hundred thirty-two thousand, six hundred fifty-two".