38929916690238 has 64 divisors (see below), whose sum is σ = 90266480206848. Its totient is φ = 10962462685440.

The previous prime is 38929916690221. The next prime is 38929916690317. The reversal of 38929916690238 is 83209661992983.

It is a Smith number, since the sum of its digits (75) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 38929916690238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6610306 + ... + 11025242.

It is an arithmetic number, because the mean of its divisors is an integer number (1410413753232).

Almost surely, 2^{38929916690238} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38929916690238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45133240103424).

38929916690238 is an abundant number, since it is smaller than the sum of its proper divisors (51336563516610).

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

38929916690238 is a wasteful number, since it uses less digits than its factorization.

38929916690238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4417977.

The product of its (nonzero) digits is 544195584, while the sum is 75.

The spelling of 38929916690238 in words is "thirty-eight trillion, nine hundred twenty-nine billion, nine hundred sixteen million, six hundred ninety thousand, two hundred thirty-eight".