25502223604 has 48 divisors (see below), whose sum is σ = 52483798080. Its totient is φ = 10689488640.

The previous prime is 25502223541. The next prime is 25502223623. The reversal of 25502223604 is 40632220552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 560992 + ... + 604744.

It is an arithmetic number, because the mean of its divisors is an integer number (1093412460).

Almost surely, 2^25502223604 is an apocalyptic number.

It is an amenable number.

25502223604 is an abundant number, since it is smaller than the sum of its proper divisors (26981574476).

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

25502223604 is a wasteful number, since it uses less digits than its factorization.

25502223604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44800 (or 44798 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 25502223604 in words is "twenty-five billion, five hundred two million, two hundred twenty-three thousand, six hundred four".