25830051336 has 64 divisors (see below), whose sum is σ = 72063600000. Its totient is φ = 8572402368.

The previous prime is 25830051329. The next prime is 25830051341. The reversal of 25830051336 is 63315003852.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 25830051336.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211636 + ... + 310563.

It is an arithmetic number, because the mean of its divisors is an integer number (1125993750).

Almost surely, 2^25830051336 is an apocalyptic number.

It is an amenable number.

25830051336 is an abundant number, since it is smaller than the sum of its proper divisors (46233548664).

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

25830051336 is a wasteful number, since it uses less digits than its factorization.

25830051336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522443 (or 522433 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 25830051336 in words is "twenty-five billion, eight hundred thirty million, fifty-one thousand, three hundred thirty-six".