44817918000 has 80 divisors (see below), whose sum is σ = 144492986976. Its totient is φ = 11951443200.

The previous prime is 44817917993. The next prime is 44817918001. The reversal of 44817918000 is 81971844.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (44817918001) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3728827 + ... + 3740826.

Almost surely, 2^44817918000 is an apocalyptic number.

44817918000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44817918000 is an abundant number, since it is smaller than the sum of its proper divisors (99675068976).

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

44817918000 is a wasteful number, since it uses less digits than its factorization.

44817918000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7469679 (or 7469663 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The spelling of 44817918000 in words is "forty-four billion, eight hundred seventeen million, nine hundred eighteen thousand".