44400440403999 has 24 divisors (see below), whose sum is σ = 67510192189440. Its totient is φ = 28042071609168.

The previous prime is 44400440403953. The next prime is 44400440404031. The reversal of 44400440403999 is 99930404400444.

44400440403999 is a `hidden beast` number, since 4 + 4 + 40 + 0 + 440 + 40 + 39 + 99 = 666.

It is not a de Polignac number, because 44400440403999 - 2¹³ = 44400440395807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44400440403199) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14493444 + ... + 17287590.

It is an arithmetic number, because the mean of its divisors is an integer number (2812924674560).

Almost surely, 2^{44400440403999} is an apocalyptic number.

44400440403999 is a deficient number, since it is larger than the sum of its proper divisors (23109751785441).

44400440403999 is a wasteful number, since it uses less digits than its factorization.

44400440403999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2887099 (or 2887096 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 54.

The spelling of 44400440403999 in words is "forty-four trillion, four hundred billion, four hundred forty million, four hundred three thousand, nine hundred ninety-nine".