25290674630 has 32 divisors (see below), whose sum is σ = 49070375424. Its totient is φ = 9329452416.

The previous prime is 25290674611. The next prime is 25290674657. The reversal of 25290674630 is 3647609252.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51824 + ... + 230796.

It is an arithmetic number, because the mean of its divisors is an integer number (1533449232).

Almost surely, 2^25290674630 is an apocalyptic number.

25290674630 is a deficient number, since it is larger than the sum of its proper divisors (23779700794).

25290674630 is a wasteful number, since it uses less digits than its factorization.

25290674630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180080.

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 25290674630 in words is "twenty-five billion, two hundred ninety million, six hundred seventy-four thousand, six hundred thirty".