38404879537919 has 8 divisors (see below), whose sum is σ = 38627004592512. Its totient is φ = 38183200071840.

The previous prime is 38404879537891. The next prime is 38404879537931. The reversal of 38404879537919 is 91973597840483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38404879537919 - 2²⁰ = 38404878489343 is a prime.

It is a super-2 number, since 2×38404879537919² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38404879537919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38404879537819) 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, 111224252 + ... + 111569009.

It is an arithmetic number, because the mean of its divisors is an integer number (4828375574064).

Almost surely, 2^{38404879537919} is an apocalyptic number.

38404879537919 is a deficient number, since it is larger than the sum of its proper divisors (222125054593).

38404879537919 is a wasteful number, since it uses less digits than its factorization.

38404879537919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222794257.

The product of its (nonzero) digits is 1646023680, while the sum is 77.

The spelling of 38404879537919 in words is "thirty-eight trillion, four hundred four billion, eight hundred seventy-nine million, five hundred thirty-seven thousand, nine hundred nineteen".