43120780972 has 48 divisors (see below), whose sum is σ = 83113712640. Its totient is φ = 19484036352.

The previous prime is 43120780943. The next prime is 43120781017. The reversal of 43120780972 is 27908702134.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607908 + ... + 675124.

It is an arithmetic number, because the mean of its divisors is an integer number (1731535680).

Almost surely, 2^43120780972 is an apocalyptic number.

It is an amenable number.

43120780972 is a deficient number, since it is larger than the sum of its proper divisors (39992931668).

43120780972 is a wasteful number, since it uses less digits than its factorization.

43120780972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67630 (or 67628 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 43120780972 in words is "forty-three billion, one hundred twenty million, seven hundred eighty thousand, nine hundred seventy-two".