225051604992 has 72 divisors (see below), whose sum is σ = 649990406520. Its totient is φ = 75017195520.

The previous prime is 225051604979. The next prime is 225051605071. The reversal of 225051604992 is 299406150522.

225051604992 is a `hidden beast` number, since 2 + 2 + 5 + 0 + 516 + 0 + 49 + 92 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6086484 + ... + 6123347.

It is an arithmetic number, because the mean of its divisors is an integer number (9027644535).

Almost surely, 2^225051604992 is an apocalyptic number.

It is an amenable number.

225051604992 is an abundant number, since it is smaller than the sum of its proper divisors (424938801528).

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

225051604992 is a wasteful number, since it uses less digits than its factorization.

225051604992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12209859 (or 12209836 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 225051604992 in words is "two hundred twenty-five billion, fifty-one million, six hundred four thousand, nine hundred ninety-two".