38039990000 has 50 divisors (see below), whose sum is σ = 92098644000. Its totient is φ = 15215992000.

The previous prime is 38039989951. The next prime is 38039990011. The reversal of 38039990000 is 9993083.

It is a tau number, because it is divible by the number of its divisors (50).

It is a self number, because there is not a number n which added to its sum of digits gives 38039990000.

It is a congruent number.

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 9 ways as a sum of consecutive naturals, for example, 1892000 + ... + 1911999.

It is an arithmetic number, because the mean of its divisors is an integer number (1841972880).

Almost surely, 2^38039990000 is an apocalyptic number.

It is an amenable number.

38039990000 is an abundant number, since it is smaller than the sum of its proper divisors (54058654000).

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

38039990000 is an equidigital number, since it uses as much as digits as its factorization.

38039990000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3804027 (or 3804006 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 41.

The spelling of 38039990000 in words is "thirty-eight billion, thirty-nine million, nine hundred ninety thousand".