44424402397 has 16 divisors (see below), whose sum is σ = 48279974400. Its totient is φ = 40715820288.

The previous prime is 44424402383. The next prime is 44424402497. The reversal of 44424402397 is 79320442444.

It is a de Polignac number, because none of the positive numbers 2^k-44424402397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44424402307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19303 + ... + 298699.

It is an arithmetic number, because the mean of its divisors is an integer number (3017498400).

Almost surely, 2^44424402397 is an apocalyptic number.

44424402397 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

44424402397 is a deficient number, since it is larger than the sum of its proper divisors (3855572003).

44424402397 is a wasteful number, since it uses less digits than its factorization.

44424402397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279660.

The product of its (nonzero) digits is 774144, while the sum is 43.

The spelling of 44424402397 in words is "forty-four billion, four hundred twenty-four million, four hundred two thousand, three hundred ninety-seven".