25523928842 has 16 divisors (see below), whose sum is σ = 38380920000. Its totient is φ = 12730314240.

The previous prime is 25523928827. The next prime is 25523928883. The reversal of 25523928842 is 24882932552.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2678867 + ... + 2688377.

It is an arithmetic number, because the mean of its divisors is an integer number (2398807500).

Almost surely, 2^25523928842 is an apocalyptic number.

25523928842 is a deficient number, since it is larger than the sum of its proper divisors (12856991158).

25523928842 is a wasteful number, since it uses less digits than its factorization.

25523928842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12701.

The product of its digits is 2764800, while the sum is 50.

The spelling of 25523928842 in words is "twenty-five billion, five hundred twenty-three million, nine hundred twenty-eight thousand, eight hundred forty-two".