256347000572 has 48 divisors (see below), whose sum is σ = 504190751232. Its totient is φ = 113154148800.

The previous prime is 256347000523. The next prime is 256347000577. The reversal of 256347000572 is 275000743652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256347000577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14351447 + ... + 14369297.

It is an arithmetic number, because the mean of its divisors is an integer number (10503973984).

Almost surely, 2^256347000572 is an apocalyptic number.

It is an amenable number.

256347000572 is a deficient number, since it is larger than the sum of its proper divisors (247843750660).

256347000572 is a wasteful number, since it uses less digits than its factorization.

256347000572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29898 (or 29896 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 41.

The spelling of 256347000572 in words is "two hundred fifty-six billion, three hundred forty-seven million, five hundred seventy-two", and thus it is an aban number.