39938166120 has 32 divisors (see below), whose sum is σ = 119814498720. Its totient is φ = 10650177600.

The previous prime is 39938166097. The next prime is 39938166127. The reversal of 39938166120 is 2166183993.

It is a super-2 number, since 2×39938166120² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 39938166120.

It is not an unprimeable number, because it can be changed into a prime (39938166127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166408906 + ... + 166409145.

It is an arithmetic number, because the mean of its divisors is an integer number (3744203085).

Almost surely, 2^39938166120 is an apocalyptic number.

39938166120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39938166120 is an abundant number, since it is smaller than the sum of its proper divisors (79876332600).

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

39938166120 is a wasteful number, since it uses less digits than its factorization.

39938166120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332818065 (or 332818061 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 48.

The spelling of 39938166120 in words is "thirty-nine billion, nine hundred thirty-eight million, one hundred sixty-six thousand, one hundred twenty".