44168899984672 has 48 divisors (see below), whose sum is σ = 89913974717952. Its totient is φ = 21336007541760.

The previous prime is 44168899984669. The next prime is 44168899984747. The reversal of 44168899984672 is 27648999886144.

It is a self number, because there is not a number n which added to its sum of digits gives 44168899984672.

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, 36953988 + ... + 38130499.

It is an arithmetic number, because the mean of its divisors is an integer number (1873207806624).

Almost surely, 2^{44168899984672} is an apocalyptic number.

It is an amenable number.

44168899984672 is an abundant number, since it is smaller than the sum of its proper divisors (45745074733280).

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

44168899984672 is a wasteful number, since it uses less digits than its factorization.

44168899984672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75085121 (or 75085113 counting only the distinct ones).

The product of its digits is 12039487488, while the sum is 85.

The spelling of 44168899984672 in words is "forty-four trillion, one hundred sixty-eight billion, eight hundred ninety-nine million, nine hundred eighty-four thousand, six hundred seventy-two".