44219427356864 has 28 divisors (see below), whose sum is σ = 90578504428608. Its totient is φ = 21396497107200.

The previous prime is 44219427356857. The next prime is 44219427356869. The reversal of 44219427356864 is 46865372491244.

It is a self number, because there is not a number n which added to its sum of digits gives 44219427356864.

It is not an unprimeable number, because it can be changed into a prime (44219427356869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11144006927 + ... + 11144010894.

It is an arithmetic number, because the mean of its divisors is an integer number (3234946586736).

Almost surely, 2^{44219427356864} is an apocalyptic number.

It is an amenable number.

44219427356864 is an abundant number, since it is smaller than the sum of its proper divisors (46359077071744).

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

44219427356864 is a wasteful number, since it uses less digits than its factorization.

44219427356864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22288017864 (or 22288017854 counting only the distinct ones).

The product of its digits is 278691840, while the sum is 65.

The spelling of 44219427356864 in words is "forty-four trillion, two hundred nineteen billion, four hundred twenty-seven million, three hundred fifty-six thousand, eight hundred sixty-four".