45977578028 has 48 divisors (see below), whose sum is σ = 83848643424. Its totient is φ = 22039672320.

The previous prime is 45977578019. The next prime is 45977578033. The reversal of 45977578028 is 82087577954.

It is a super-2 number, since 2×45977578028² (a number of 22 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 21574523 + ... + 21576653.

It is an arithmetic number, because the mean of its divisors is an integer number (1746846738).

Almost surely, 2^45977578028 is an apocalyptic number.

It is an amenable number.

45977578028 is a deficient number, since it is larger than the sum of its proper divisors (37871065396).

45977578028 is a wasteful number, since it uses less digits than its factorization.

45977578028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4242 (or 4240 counting only the distinct ones).

The product of its (nonzero) digits is 39513600, while the sum is 62.

The spelling of 45977578028 in words is "forty-five billion, nine hundred seventy-seven million, five hundred seventy-eight thousand, twenty-eight".