25355264016 has 40 divisors (see below), whose sum is σ = 65514003264. Its totient is φ = 8450089600.

The previous prime is 25355263979. The next prime is 25355264017. The reversal of 25355264016 is 61046255352.

It is not an unprimeable number, because it can be changed into a prime (25355264017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207490 + ... + 306206.

Almost surely, 2^25355264016 is an apocalyptic number.

It is an amenable number.

25355264016 is an abundant number, since it is smaller than the sum of its proper divisors (40158739248).

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

25355264016 is a wasteful number, since it uses less digits than its factorization.

25355264016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104079 (or 104073 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 25355264016 in words is "twenty-five billion, three hundred fifty-five million, two hundred sixty-four thousand, sixteen".