25422262504 has 32 divisors (see below), whose sum is σ = 51794092800. Its totient is φ = 11653666560.

The previous prime is 25422262487. The next prime is 25422262589. The reversal of 25422262504 is 40526222452.

It is a self number, because there is not a number n which added to its sum of digits gives 25422262504.

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, 2692897 + ... + 2702320.

It is an arithmetic number, because the mean of its divisors is an integer number (1618565400).

Almost surely, 2^25422262504 is an apocalyptic number.

It is an amenable number.

25422262504 is an abundant number, since it is smaller than the sum of its proper divisors (26371830296).

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

25422262504 is a wasteful number, since it uses less digits than its factorization.

25422262504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5395273 (or 5395269 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 25422262504 its reverse (40526222452), we get a palindrome (65948484956).

The spelling of 25422262504 in words is "twenty-five billion, four hundred twenty-two million, two hundred sixty-two thousand, five hundred four".