25925794590 has 32 divisors (see below), whose sum is σ = 62269826976. Its totient is φ = 6908220800.

The previous prime is 25925794589. The next prime is 25925794591. The reversal of 25925794590 is 9549752952.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25925794589) and next prime (25925794591).

It is a self number, because there is not a number n which added to its sum of digits gives 25925794590.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25925794591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293097 + ... + 371156.

It is an arithmetic number, because the mean of its divisors is an integer number (1945932093).

Almost surely, 2^25925794590 is an apocalyptic number.

25925794590 is an abundant number, since it is smaller than the sum of its proper divisors (36344032386).

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

25925794590 is a wasteful number, since it uses less digits than its factorization.

25925794590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665564.

The product of its (nonzero) digits is 10206000, while the sum is 57.

The spelling of 25925794590 in words is "twenty-five billion, nine hundred twenty-five million, seven hundred ninety-four thousand, five hundred ninety".