44139936970 has 16 divisors (see below), whose sum is σ = 79466651208. Its totient is φ = 17652693760.

The previous prime is 44139936959. The next prime is 44139937007. The reversal of 44139936970 is 7963993144.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13073406921 + 31066530049 = 114339^2 + 176257^2 .

It is a super-3 number, since 3×44139936970³ (a number of 33 digits) contains 333 as substring.

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, 353251 + ... + 461590.

Almost surely, 2^44139936970 is an apocalyptic number.

44139936970 is a deficient number, since it is larger than the sum of its proper divisors (35326714238).

44139936970 is a wasteful number, since it uses less digits than its factorization.

44139936970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820265.

The product of its (nonzero) digits is 4408992, while the sum is 55.

The spelling of 44139936970 in words is "forty-four billion, one hundred thirty-nine million, nine hundred thirty-six thousand, nine hundred seventy".