45239954922 has 96 divisors (see below), whose sum is σ = 102918816000. Its totient is φ = 14892735168.

The previous prime is 45239954909. The next prime is 45239954933. The reversal of 45239954922 is 22945993254.

45239954922 is a `hidden beast` number, since 4 + 5 + 2 + 3 + 99 + 549 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 18486703 + ... + 18489149.

It is an arithmetic number, because the mean of its divisors is an integer number (1072071000).

Almost surely, 2^45239954922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45239954922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51459408000).

45239954922 is an abundant number, since it is smaller than the sum of its proper divisors (57678861078).

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

45239954922 is a wasteful number, since it uses less digits than its factorization.

45239954922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922 (or 2910 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 54.

The spelling of 45239954922 in words is "forty-five billion, two hundred thirty-nine million, nine hundred fifty-four thousand, nine hundred twenty-two".