25420500231454 has 16 divisors (see below), whose sum is σ = 39826904232960. Its totient is φ = 12145929242040.

The previous prime is 25420500231439. The next prime is 25420500231487. The reversal of 25420500231454 is 45413200502452.

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, 265890402 + ... + 265985989.

It is an arithmetic number, because the mean of its divisors is an integer number (2489181514560).

Almost surely, 2^{25420500231454} is an apocalyptic number.

25420500231454 is a deficient number, since it is larger than the sum of its proper divisors (14406404001506).

25420500231454 is a wasteful number, since it uses less digits than its factorization.

25420500231454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531877455.

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 25420500231454 in words is "twenty-five trillion, four hundred twenty billion, five hundred million, two hundred thirty-one thousand, four hundred fifty-four".