38500388638 has 8 divisors (see below), whose sum is σ = 57764060640. Its totient is φ = 19245701760.

The previous prime is 38500388623. The next prime is 38500388659. The reversal of 38500388638 is 83688300583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2235558 + ... + 2252713.

It is an arithmetic number, because the mean of its divisors is an integer number (7220507580).

Almost surely, 2^38500388638 is an apocalyptic number.

38500388638 is a deficient number, since it is larger than the sum of its proper divisors (19263672002).

38500388638 is a wasteful number, since it uses less digits than its factorization.

38500388638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4492562.

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 38500388638 in words is "thirty-eight billion, five hundred million, three hundred eighty-eight thousand, six hundred thirty-eight".