44002400392 has 16 divisors (see below), whose sum is σ = 82509750540. Its totient is φ = 21999800256.

The previous prime is 44002400383. The next prime is 44002400411. The reversal of 44002400392 is 29300420044.

It can be written as a sum of positive squares in 2 ways, for example, as 38562747876 + 5439652516 = 196374^2 + 73754^2 .

It is a super-2 number, since 2×44002400392² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44002400392.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34803 + ... + 298690.

Almost surely, 2^44002400392 is an apocalyptic number.

It is an amenable number.

44002400392 is a deficient number, since it is larger than the sum of its proper divisors (38507350148).

44002400392 is a wasteful number, since it uses less digits than its factorization.

44002400392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349992 (or 349988 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The spelling of 44002400392 in words is "forty-four billion, two million, four hundred thousand, three hundred ninety-two".