25626225630 has 32 divisors (see below), whose sum is σ = 61778755584. Its totient is φ = 6803014176.

The previous prime is 25626225607. The next prime is 25626225643. The reversal of 25626225630 is 3652262652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1908574 + ... + 1921953.

It is an arithmetic number, because the mean of its divisors is an integer number (1930586112).

Almost surely, 2^25626225630 is an apocalyptic number.

25626225630 is an abundant number, since it is smaller than the sum of its proper divisors (36152529954).

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

25626225630 is a wasteful number, since it uses less digits than its factorization.

25626225630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3830760.

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 25626225630 in words is "twenty-five billion, six hundred twenty-six million, two hundred twenty-five thousand, six hundred thirty".