25224274516 has 24 divisors (see below), whose sum is σ = 50503977216. Its totient is φ = 10798525920.

The previous prime is 25224274483. The next prime is 25224274541. The reversal of 25224274516 is 61547242252.

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, 468931 + ... + 519946.

It is an arithmetic number, because the mean of its divisors is an integer number (2104332384).

Almost surely, 2^25224274516 is an apocalyptic number.

It is an amenable number.

25224274516 is an abundant number, since it is smaller than the sum of its proper divisors (25279702700).

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

25224274516 is a wasteful number, since it uses less digits than its factorization.

25224274516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989799 (or 989797 counting only the distinct ones).

The product of its digits is 268800, while the sum is 40.

The spelling of 25224274516 in words is "twenty-five billion, two hundred twenty-four million, two hundred seventy-four thousand, five hundred sixteen".