38107574638 has 16 divisors (see below), whose sum is σ = 66846510720. Its totient is φ = 15952007736.

The previous prime is 38107574621. The next prime is 38107574639. The reversal of 38107574638 is 83647570183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38107574639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31650208 + ... + 31651411.

It is an arithmetic number, because the mean of its divisors is an integer number (4177906920).

Almost surely, 2^38107574638 is an apocalyptic number.

38107574638 is a deficient number, since it is larger than the sum of its proper divisors (28738936082).

38107574638 is a wasteful number, since it uses less digits than its factorization.

38107574638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63301671.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 38107574638 in words is "thirty-eight billion, one hundred seven million, five hundred seventy-four thousand, six hundred thirty-eight".