25812853008 has 20 divisors (see below), whose sum is σ = 66683203728. Its totient is φ = 8604284320.

The previous prime is 25812852937. The next prime is 25812853013. The reversal of 25812853008 is 80035821852.

It is a super-2 number, since 2×25812853008² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268883838 + ... + 268883933.

Almost surely, 2^25812853008 is an apocalyptic number.

It is an amenable number.

25812853008 is an abundant number, since it is smaller than the sum of its proper divisors (40870350720).

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

25812853008 is a wasteful number, since it uses less digits than its factorization.

25812853008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537767782 (or 537767776 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 42.

The spelling of 25812853008 in words is "twenty-five billion, eight hundred twelve million, eight hundred fifty-three thousand, eight".