38040936479 has 32 divisors (see below), whose sum is σ = 48021800064. Its totient is φ = 29327339520.

The previous prime is 38040936443. The next prime is 38040936509. The reversal of 38040936479 is 97463904083.

38040936479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 38040936479 - 2²⁰ = 38039887903 is a prime.

It is a super-2 number, since 2×38040936479² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38040936479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38040936419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3176567 + ... + 3188519.

It is an arithmetic number, because the mean of its divisors is an integer number (1500681252).

Almost surely, 2^38040936479 is an apocalyptic number.

38040936479 is a deficient number, since it is larger than the sum of its proper divisors (9980863585).

38040936479 is a wasteful number, since it uses less digits than its factorization.

38040936479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12867.

The product of its (nonzero) digits is 3919104, while the sum is 53.

The spelling of 38040936479 in words is "thirty-eight billion, forty million, nine hundred thirty-six thousand, four hundred seventy-nine".