39944085573080 has 64 divisors (see below), whose sum is σ = 101881675778400. Its totient is φ = 13972344099840.

The previous prime is 39944085572939. The next prime is 39944085573113. The reversal of 39944085573080 is 8037558044993.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is a junction number, because it is equal to n+sod(n) for n = 39944085572998 and 39944085573016.

It is a congruent number.

It is an unprimeable number.

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, 2021451941 + ... + 2021471700.

Almost surely, 2^{39944085573080} is an apocalyptic number.

It is an amenable number.

39944085573080 is an abundant number, since it is smaller than the sum of its proper divisors (61937590205320).

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

39944085573080 is a wasteful number, since it uses less digits than its factorization.

39944085573080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4042923684 (or 4042923680 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 65.

The spelling of 39944085573080 in words is "thirty-nine trillion, nine hundred forty-four billion, eighty-five million, five hundred seventy-three thousand, eighty".