45551810864 has 20 divisors (see below), whose sum is σ = 100864724304. Its totient is φ = 19522204608.

The previous prime is 45551810861. The next prime is 45551810881. The reversal of 45551810864 is 46801815554.

It is not an unprimeable number, because it can be changed into a prime (45551810861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203356187 + ... + 203356410.

Almost surely, 2^45551810864 is an apocalyptic number.

It is an amenable number.

45551810864 is an abundant number, since it is smaller than the sum of its proper divisors (55312913440).

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

45551810864 is a wasteful number, since it uses less digits than its factorization.

45551810864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406712612 (or 406712606 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 47.

The spelling of 45551810864 in words is "forty-five billion, five hundred fifty-one million, eight hundred ten thousand, eight hundred sixty-four".