44399075994 has 96 divisors (see below), whose sum is σ = 122100762240. Its totient is φ = 11709629568.

The previous prime is 44399075989. The next prime is 44399076017. The reversal of 44399075994 is 49957099344.

44399075994 is a `hidden beast` number, since 4 + 4 + 39 + 9 + 0 + 7 + 599 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 283627 + ... + 411390.

It is an arithmetic number, because the mean of its divisors is an integer number (1271882940).

Almost surely, 2^44399075994 is an apocalyptic number.

44399075994 is an abundant number, since it is smaller than the sum of its proper divisors (77701686246).

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

44399075994 is a wasteful number, since it uses less digits than its factorization.

44399075994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695061 (or 695042 counting only the distinct ones).

The product of its (nonzero) digits is 44089920, while the sum is 63.

The spelling of 44399075994 in words is "forty-four billion, three hundred ninety-nine million, seventy-five thousand, nine hundred ninety-four".