43955423628 has 24 divisors (see below), whose sum is σ = 103099637760. Its totient is φ = 14575096080.

The previous prime is 43955423597. The next prime is 43955423641. The reversal of 43955423628 is 82632455934.

43955423628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 9586588 + ... + 9591171.

It is an arithmetic number, because the mean of its divisors is an integer number (4295818240).

Almost surely, 2^43955423628 is an apocalyptic number.

It is an amenable number.

43955423628 is an abundant number, since it is smaller than the sum of its proper divisors (59144214132).

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

43955423628 is a wasteful number, since it uses less digits than its factorization.

43955423628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19177957 (or 19177955 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 51.

The spelling of 43955423628 in words is "forty-three billion, nine hundred fifty-five million, four hundred twenty-three thousand, six hundred twenty-eight".