45637477644 has 48 divisors (see below), whose sum is σ = 116243930880. Its totient is φ = 13820514240.

The previous prime is 45637477553. The next prime is 45637477679. The reversal of 45637477644 is 44677473654.

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, 91642 + ... + 315710.

It is an arithmetic number, because the mean of its divisors is an integer number (2421748560).

Almost surely, 2^45637477644 is an apocalyptic number.

45637477644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

45637477644 is an abundant number, since it is smaller than the sum of its proper divisors (70606453236).

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

45637477644 is a wasteful number, since it uses less digits than its factorization.

45637477644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225630 (or 225628 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 57.

The spelling of 45637477644 in words is "forty-five billion, six hundred thirty-seven million, four hundred seventy-seven thousand, six hundred forty-four".