43554724972 has 96 divisors (see below), whose sum is σ = 88638520320. Its totient is φ = 18539781120.

The previous prime is 43554724957. The next prime is 43554724981. The reversal of 43554724972 is 27942745534.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

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 31 ways as a sum of consecutive naturals, for example, 6773623 + ... + 6780049.

It is an arithmetic number, because the mean of its divisors is an integer number (923317920).

Almost surely, 2^43554724972 is an apocalyptic number.

It is an amenable number.

43554724972 is an abundant number, since it is smaller than the sum of its proper divisors (45083795348).

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

43554724972 is a wasteful number, since it uses less digits than its factorization.

43554724972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6631 (or 6629 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 52.

The spelling of 43554724972 in words is "forty-three billion, five hundred fifty-four million, seven hundred twenty-four thousand, nine hundred seventy-two".