44312013990 has 48 divisors (see below), whose sum is σ = 115484996016. Its totient is φ = 11788459200.

The previous prime is 44312013973. The next prime is 44312014013. The reversal of 44312013990 is 9931021344.

44312013990 is a `hidden beast` number, since 4 + 431 + 2 + 0 + 139 + 90 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 546856 + ... + 622635.

It is an arithmetic number, because the mean of its divisors is an integer number (2405937417).

Almost surely, 2^44312013990 is an apocalyptic number.

44312013990 is an abundant number, since it is smaller than the sum of its proper divisors (71172982026).

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

44312013990 is a wasteful number, since it uses less digits than its factorization.

44312013990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169925 (or 1169922 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 44312013990 in words is "forty-four billion, three hundred twelve million, thirteen thousand, nine hundred ninety".