44015213668 has 24 divisors (see below), whose sum is σ = 77272272000. Its totient is φ = 21937472448.

The previous prime is 44015213647. The next prime is 44015213687. The reversal of 44015213668 is 86631251044.

It is a happy number.

44015213668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 44015213668.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4948321 + ... + 4957207.

It is an arithmetic number, because the mean of its divisors is an integer number (3219678000).

Almost surely, 2^44015213668 is an apocalyptic number.

It is an amenable number.

44015213668 is a deficient number, since it is larger than the sum of its proper divisors (33257058332).

44015213668 is a wasteful number, since it uses less digits than its factorization.

44015213668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12699 (or 12697 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 44015213668 in words is "forty-four billion, fifteen million, two hundred thirteen thousand, six hundred sixty-eight".