45612645216 has 24 divisors (see below), whose sum is σ = 119733193944. Its totient is φ = 15204215040.

The previous prime is 45612645173. The next prime is 45612645227. The reversal of 45612645216 is 61254621654.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237565765 + ... + 237565956.

It is an arithmetic number, because the mean of its divisors is an integer number (4988883081).

Almost surely, 2^45612645216 is an apocalyptic number.

It is an amenable number.

45612645216 is an abundant number, since it is smaller than the sum of its proper divisors (74120548728).

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

45612645216 is a wasteful number, since it uses less digits than its factorization.

45612645216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475131734 (or 475131726 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The spelling of 45612645216 in words is "forty-five billion, six hundred twelve million, six hundred forty-five thousand, two hundred sixteen".