43120793972 has 24 divisors (see below), whose sum is σ = 76014339072. Its totient is φ = 21402612000.

The previous prime is 43120793959. The next prime is 43120794001. The reversal of 43120793972 is 27939702134.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 864218 + ... + 912750.

It is an arithmetic number, because the mean of its divisors is an integer number (3167264128).

Almost surely, 2^43120793972 is an apocalyptic number.

It is an amenable number.

43120793972 is a deficient number, since it is larger than the sum of its proper divisors (32893545100).

43120793972 is a wasteful number, since it uses less digits than its factorization.

43120793972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50159 (or 50157 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 47.

The spelling of 43120793972 in words is "forty-three billion, one hundred twenty million, seven hundred ninety-three thousand, nine hundred seventy-two".