38665926144 has 120 divisors (see below), whose sum is σ = 111796181640. Its totient is φ = 12865118208.

The previous prime is 38665926127. The next prime is 38665926151. The reversal of 38665926144 is 44162956683.

38665926144 is a `hidden beast` number, since 3 + 8 + 6 + 6 + 592 + 6 + 1 + 44 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2614579 + ... + 2629325.

It is an arithmetic number, because the mean of its divisors is an integer number (931634847).

Almost surely, 2^38665926144 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 38665926144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55898090820).

38665926144 is an abundant number, since it is smaller than the sum of its proper divisors (73130255496).

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

38665926144 is a wasteful number, since it uses less digits than its factorization.

38665926144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15340 (or 15321 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 38665926144 in words is "thirty-eight billion, six hundred sixty-five million, nine hundred twenty-six thousand, one hundred forty-four".