25424510056 has 32 divisors (see below), whose sum is σ = 52120584000. Its totient is φ = 11530839040.

The previous prime is 25424509997. The next prime is 25424510057. The reversal of 25424510056 is 65001542452.

It is not an unprimeable number, because it can be changed into a prime (25424510057) 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, 282220 + ... + 361243.

It is an arithmetic number, because the mean of its divisors is an integer number (1628768250).

Almost surely, 2^25424510056 is an apocalyptic number.

It is an amenable number.

25424510056 is an abundant number, since it is smaller than the sum of its proper divisors (26696073944).

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

25424510056 is a wasteful number, since it uses less digits than its factorization.

25424510056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643929 (or 643925 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 25424510056 in words is "twenty-five billion, four hundred twenty-four million, five hundred ten thousand, fifty-six".