25224372942 has 32 divisors (see below), whose sum is σ = 51554880000. Its totient is φ = 8223996288.

The previous prime is 25224372937. The next prime is 25224372961. The reversal of 25224372942 is 24927342252.

It is a junction number, because it is equal to n+sod(n) for n = 25224372894 and 25224372903.

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, 428934 + ... + 484182.

It is an arithmetic number, because the mean of its divisors is an integer number (1611090000).

Almost surely, 2^25224372942 is an apocalyptic number.

25224372942 is an abundant number, since it is smaller than the sum of its proper divisors (26330507058).

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

25224372942 is a wasteful number, since it uses less digits than its factorization.

25224372942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56920.

The product of its digits is 483840, while the sum is 42.

The spelling of 25224372942 in words is "twenty-five billion, two hundred twenty-four million, three hundred seventy-two thousand, nine hundred forty-two".