25479862056 has 48 divisors (see below), whose sum is σ = 75281412960. Its totient is φ = 7721170080.

The previous prime is 25479862043. The next prime is 25479862073. The reversal of 25479862056 is 65026897452.

25479862056 is a `hidden beast` number, since 2 + 5 + 4 + 7 + 9 + 8 + 620 + 5 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 25479861993 and 25479862011.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16084980 + ... + 16086563.

It is an arithmetic number, because the mean of its divisors is an integer number (1568362770).

Almost surely, 2^25479862056 is an apocalyptic number.

It is an amenable number.

25479862056 is an abundant number, since it is smaller than the sum of its proper divisors (49801550904).

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

25479862056 is a wasteful number, since it uses less digits than its factorization.

25479862056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32171566 (or 32171559 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 25479862056 in words is "twenty-five billion, four hundred seventy-nine million, eight hundred sixty-two thousand, fifty-six".