25513664040264 has 32 divisors (see below), whose sum is σ = 64369335888000. Its totient is φ = 8426531241792.

The previous prime is 25513664040253. The next prime is 25513664040289. The reversal of 25513664040264 is 46204046631552.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4876462224 + ... + 4876467455.

It is an arithmetic number, because the mean of its divisors is an integer number (2011541746500).

Almost surely, 2^{25513664040264} is an apocalyptic number.

25513664040264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25513664040264 is an abundant number, since it is smaller than the sum of its proper divisors (38855671847736).

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

25513664040264 is a wasteful number, since it uses less digits than its factorization.

25513664040264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9752929797 (or 9752929793 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 25513664040264 in words is "twenty-five trillion, five hundred thirteen billion, six hundred sixty-four million, forty thousand, two hundred sixty-four".