45591864140 has 24 divisors (see below), whose sum is σ = 97365678480. Its totient is φ = 17927647808.

The previous prime is 45591864119. The next prime is 45591864179. The reversal of 45591864140 is 4146819554.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19317407 + ... + 19319766.

It is an arithmetic number, because the mean of its divisors is an integer number (4056903270).

Almost surely, 2^45591864140 is an apocalyptic number.

It is an amenable number.

45591864140 is an abundant number, since it is smaller than the sum of its proper divisors (51773814340).

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

45591864140 is a wasteful number, since it uses less digits than its factorization.

45591864140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38637241 (or 38637239 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 45591864140 in words is "forty-five billion, five hundred ninety-one million, eight hundred sixty-four thousand, one hundred forty".