256327550610 has 64 divisors (see below), whose sum is σ = 619281324288. Its totient is φ = 67900473344.

The previous prime is 256327550593. The next prime is 256327550617. The reversal of 256327550610 is 16055723652.

It is a super-2 number, since 2×256327550610² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (256327550617) 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 31 ways as a sum of consecutive naturals, for example, 2739154 + ... + 2831186.

It is an arithmetic number, because the mean of its divisors is an integer number (9676270692).

Almost surely, 2^256327550610 is an apocalyptic number.

256327550610 is an abundant number, since it is smaller than the sum of its proper divisors (362953773678).

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

256327550610 is a wasteful number, since it uses less digits than its factorization.

256327550610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92659.

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 256327550610 in words is "two hundred fifty-six billion, three hundred twenty-seven million, five hundred fifty thousand, six hundred ten".