44028642408464 has 80 divisors (see below), whose sum is σ = 103895261134848. Its totient is φ = 17664987179136.

The previous prime is 44028642408449. The next prime is 44028642408547. The reversal of 44028642408464 is 46480424682044.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181707272 + ... + 181949415.

Almost surely, 2^{44028642408464} is an apocalyptic number.

It is an amenable number.

44028642408464 is an abundant number, since it is smaller than the sum of its proper divisors (59866618726384).

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

44028642408464 is a wasteful number, since it uses less digits than its factorization.

44028642408464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363656772 (or 363656766 counting only the distinct ones).

The product of its (nonzero) digits is 37748736, while the sum is 56.

The spelling of 44028642408464 in words is "forty-four trillion, twenty-eight billion, six hundred forty-two million, four hundred eight thousand, four hundred sixty-four".