39950735944 has 32 divisors (see below), whose sum is σ = 86640160320. Its totient is φ = 16915455936.

The previous prime is 39950735921. The next prime is 39950735971. The reversal of 39950735944 is 44953705993.

It is a happy number.

It is a super-2 number, since 2×39950735944² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4292979 + ... + 4302274.

It is an arithmetic number, because the mean of its divisors is an integer number (2707505010).

Almost surely, 2^39950735944 is an apocalyptic number.

It is an amenable number.

39950735944 is an abundant number, since it is smaller than the sum of its proper divisors (46689424376).

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

39950735944 is a wasteful number, since it uses less digits than its factorization.

39950735944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8595349 (or 8595345 counting only the distinct ones).

The product of its (nonzero) digits is 18370800, while the sum is 58.

The spelling of 39950735944 in words is "thirty-nine billion, nine hundred fifty million, seven hundred thirty-five thousand, nine hundred forty-four".