45947140864 has 36 divisors (see below), whose sum is σ = 97109798184. Its totient is φ = 21622181888.

The previous prime is 45947140861. The next prime is 45947140891. The reversal of 45947140864 is 46804174954.

It is a happy number.

It is a super-2 number, since 2×45947140864² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45947140861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5274502 + ... + 5283205.

It is an arithmetic number, because the mean of its divisors is an integer number (2697494394).

Almost surely, 2^45947140864 is an apocalyptic number.

It is an amenable number.

45947140864 is an abundant number, since it is smaller than the sum of its proper divisors (51162657320).

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

45947140864 is a wasteful number, since it uses less digits than its factorization.

45947140864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10557740 (or 10557726 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 45947140864 in words is "forty-five billion, nine hundred forty-seven million, one hundred forty thousand, eight hundred sixty-four".