38721360001128 has 64 divisors (see below), whose sum is σ = 111205682405760. Its totient is φ = 11005923188736.

The previous prime is 38721360001123. The next prime is 38721360001141. The reversal of 38721360001128 is 82110006312783.

It is a super-2 number, since 2×38721360001128² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 38721360001128.

It is not an unprimeable number, because it can be changed into a prime (38721360001123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597077125 + ... + 597141972.

It is an arithmetic number, because the mean of its divisors is an integer number (1737588787590).

Almost surely, 2^{38721360001128} is an apocalyptic number.

It is an amenable number.

38721360001128 is an abundant number, since it is smaller than the sum of its proper divisors (72484322404632).

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

38721360001128 is a wasteful number, since it uses less digits than its factorization.

38721360001128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194219306 (or 1194219302 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 38721360001128 in words is "thirty-eight trillion, seven hundred twenty-one billion, three hundred sixty million, one thousand, one hundred twenty-eight".