38757636373820 has 192 divisors, whose sum is σ = 101380122547200. Its totient is φ = 12118634035200.

The previous prime is 38757636373817. The next prime is 38757636373843. The reversal of 38757636373820 is 2837363675783.

It is a hoax number, since the sum of its digits (68) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 203837795 + ... + 204027845.

It is an arithmetic number, because the mean of its divisors is an integer number (528021471600).

Almost surely, 2^{38757636373820} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38757636373820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50690061273600).

38757636373820 is an abundant number, since it is smaller than the sum of its proper divisors (62622486173380).

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

38757636373820 is a wasteful number, since it uses less digits than its factorization.

38757636373820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191428 (or 191426 counting only the distinct ones).

The product of its (nonzero) digits is 640120320, while the sum is 68.

The spelling of 38757636373820 in words is "thirty-eight trillion, seven hundred fifty-seven billion, six hundred thirty-six million, three hundred seventy-three thousand, eight hundred twenty".