225453049920 has 224 divisors, whose sum is σ = 908969683200. Its totient is φ = 51532111872.

The previous prime is 225453049919. The next prime is 225453049949. The reversal of 225453049920 is 29940354522.

225453049920 is a `hidden beast` number, since 2 + 2 + 5 + 4 + 530 + 4 + 99 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1803385 + ... + 1924344.

Almost surely, 2^225453049920 is an apocalyptic number.

225453049920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225453049920 is an abundant number, since it is smaller than the sum of its proper divisors (683516633280).

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

225453049920 is a wasteful number, since it uses less digits than its factorization.

225453049920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3727762 (or 3727746 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 225453049920 in words is "two hundred twenty-five billion, four hundred fifty-three million, forty-nine thousand, nine hundred twenty".