72253589400 has 72 divisors (see below), whose sum is σ = 242651643780. Its totient is φ = 19267623360.

The previous prime is 72253589371. The next prime is 72253589417. The reversal of 72253589400 is 498535227.

72253589400 is a `hidden beast` number, since 7 + 2 + 25 + 3 + 589 + 40 + 0 = 666.

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

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20068642 + ... + 20072241.

Almost surely, 2^72253589400 is an apocalyptic number.

It is an amenable number.

72253589400 is an abundant number, since it is smaller than the sum of its proper divisors (170398054380).

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

72253589400 is a wasteful number, since it uses less digits than its factorization.

72253589400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40140905 (or 40140893 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 72253589400 in words is "seventy-two billion, two hundred fifty-three million, five hundred eighty-nine thousand, four hundred".