38690843290 has 64 divisors (see below), whose sum is σ = 79589952000. Its totient is φ = 13412206080.

The previous prime is 38690843263. The next prime is 38690843293. The reversal of 38690843290 is 9234809683.

It is not an unprimeable number, because it can be changed into a prime (38690843293) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175246 + ... + 328774.

It is an arithmetic number, because the mean of its divisors is an integer number (1243593000).

Almost surely, 2^38690843290 is an apocalyptic number.

38690843290 is an abundant number, since it is smaller than the sum of its proper divisors (40899108710).

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

38690843290 is a wasteful number, since it uses less digits than its factorization.

38690843290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153655.

The product of its (nonzero) digits is 2239488, while the sum is 52.

The spelling of 38690843290 in words is "thirty-eight billion, six hundred ninety million, eight hundred forty-three thousand, two hundred ninety".