44539966993544 has 64 divisors (see below), whose sum is σ = 94052927692800. Its totient is φ = 19590361761600.

The previous prime is 44539966993499. The next prime is 44539966993547.

44539966993544 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×44539966993544² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44539966993547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26067329 + ... + 27723375.

It is an arithmetic number, because the mean of its divisors is an integer number (1469576995200).

Almost surely, 2^{44539966993544} is an apocalyptic number.

44539966993544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

44539966993544 is an abundant number, since it is smaller than the sum of its proper divisors (49512960699256).

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

44539966993544 is a wasteful number, since it uses less digits than its factorization.

44539966993544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665954 (or 1665950 counting only the distinct ones).

The product of its digits is 13604889600, while the sum is 80.

The spelling of 44539966993544 in words is "forty-four trillion, five hundred thirty-nine billion, nine hundred sixty-six million, nine hundred ninety-three thousand, five hundred forty-four".