45921669444 has 48 divisors (see below), whose sum is σ = 136064208000. Its totient is φ = 13120476768.

The previous prime is 45921669439. The next prime is 45921669457. The reversal of 45921669444 is 44496612954.

45921669444 is a `hidden beast` number, since 4 + 592 + 1 + 6 + 6 + 9 + 4 + 44 = 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30370719 + ... + 30372230.

It is an arithmetic number, because the mean of its divisors is an integer number (2834671000).

Almost surely, 2^45921669444 is an apocalyptic number.

It is an amenable number.

45921669444 is an abundant number, since it is smaller than the sum of its proper divisors (90142538556).

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

45921669444 is a wasteful number, since it uses less digits than its factorization.

45921669444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60742969 (or 60742961 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 45921669444 in words is "forty-five billion, nine hundred twenty-one million, six hundred sixty-nine thousand, four hundred forty-four".