39230929920 has 1056 divisors, whose sum is σ = 165711495168. Its totient is φ = 7729053696.

The previous prime is 39230929919. The next prime is 39230929963. The reversal of 39230929920 is 2992903293.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 39230929920.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 308904897 + ... + 308905023.

Almost surely, 2^39230929920 is an apocalyptic number.

39230929920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39230929920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82855747584).

39230929920 is an abundant number, since it is smaller than the sum of its proper divisors (126480565248).

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

39230929920 is a wasteful number, since it uses less digits than its factorization.

39230929920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 48.

The spelling of 39230929920 in words is "thirty-nine billion, two hundred thirty million, nine hundred twenty-nine thousand, nine hundred twenty".