45021642882 has 64 divisors (see below), whose sum is σ = 95781242880. Its totient is φ = 14078427264.

The previous prime is 45021642881. The next prime is 45021642889. The reversal of 45021642882 is 28824612054.

It is not an unprimeable number, because it can be changed into a prime (45021642881) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1790763 + ... + 1815729.

It is an arithmetic number, because the mean of its divisors is an integer number (1496581920).

Almost surely, 2^45021642882 is an apocalyptic number.

45021642882 is an abundant number, since it is smaller than the sum of its proper divisors (50759599998).

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

45021642882 is a wasteful number, since it uses less digits than its factorization.

45021642882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25247.

The product of its (nonzero) digits is 245760, while the sum is 42.

The spelling of 45021642882 in words is "forty-five billion, twenty-one million, six hundred forty-two thousand, eight hundred eighty-two".