256530300376332 has 72 divisors (see below), whose sum is σ = 635858301701056. Its totient is φ = 80479286629632.

The previous prime is 256530300376309. The next prime is 256530300376381. The reversal of 256530300376332 is 233673003035652.

It is a super-2 number, since 2×256530300376332² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 411003363 + ... + 411627045.

Almost surely, 2^{256530300376332} is an apocalyptic number.

It is an amenable number.

256530300376332 is an abundant number, since it is smaller than the sum of its proper divisors (379328001324724).

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

256530300376332 is a wasteful number, since it uses less digits than its factorization.

256530300376332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742327 (or 742308 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 48.

The spelling of 256530300376332 in words is "two hundred fifty-six trillion, five hundred thirty billion, three hundred million, three hundred seventy-six thousand, three hundred thirty-two".