45489909136 has 80 divisors (see below), whose sum is σ = 112266207360. Its totient is φ = 17383127040.

The previous prime is 45489909121. The next prime is 45489909167. The reversal of 45489909136 is 63190998454.

45489909136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 592555 + ... + 664906.

It is an arithmetic number, because the mean of its divisors is an integer number (1403327592).

Almost surely, 2^45489909136 is an apocalyptic number.

It is an amenable number.

45489909136 is an abundant number, since it is smaller than the sum of its proper divisors (66776298224).

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

45489909136 is a wasteful number, since it uses less digits than its factorization.

45489909136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257512 (or 1257506 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 58.

The spelling of 45489909136 in words is "forty-five billion, four hundred eighty-nine million, nine hundred nine thousand, one hundred thirty-six".