25404863422 has 16 divisors (see below), whose sum is σ = 38682023040. Its totient is φ = 12510914328.

The previous prime is 25404863389. The next prime is 25404863443. The reversal of 25404863422 is 22436840452.

It is a congruent number.

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, 1292593 + ... + 1312099.

It is an arithmetic number, because the mean of its divisors is an integer number (2417626440).

Almost surely, 2^25404863422 is an apocalyptic number.

25404863422 is a deficient number, since it is larger than the sum of its proper divisors (13277159618).

25404863422 is a wasteful number, since it uses less digits than its factorization.

25404863422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29295.

The product of its (nonzero) digits is 368640, while the sum is 40.

The spelling of 25404863422 in words is "twenty-five billion, four hundred four million, eight hundred sixty-three thousand, four hundred twenty-two".