38688537604436 has 12 divisors (see below), whose sum is σ = 67705566145140. Its totient is φ = 19344090134400.

The previous prime is 38688537604417. The next prime is 38688537604447. The reversal of 38688537604436 is 63440673588683.

It can be written as a sum of positive squares in 2 ways, for example, as 20937854124100 + 17750683480336 = 4575790^2 + 4213156^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38688537604436.

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, 44179151 + ... + 45046358.

It is an arithmetic number, because the mean of its divisors is an integer number (5642130512095).

Almost surely, 2^{38688537604436} is an apocalyptic number.

It is an amenable number.

38688537604436 is a deficient number, since it is larger than the sum of its proper divisors (29017028540704).

38688537604436 is a wasteful number, since it uses less digits than its factorization.

38688537604436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89333914 (or 89333912 counting only the distinct ones).

The product of its (nonzero) digits is 1672151040, while the sum is 71.

The spelling of 38688537604436 in words is "thirty-eight trillion, six hundred eighty-eight billion, five hundred thirty-seven million, six hundred four thousand, four hundred thirty-six".