38358686040565 has 32 divisors (see below), whose sum is σ = 50508385318656. Its totient is φ = 27734258280960.

The previous prime is 38358686040529. The next prime is 38358686040659. The reversal of 38358686040565 is 56504068685383.

It is a happy number.

38358686040565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38358686040565 - 2¹⁷ = 38358685909493 is a prime.

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 38358686040565.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165607024 + ... + 165838486.

It is an arithmetic number, because the mean of its divisors is an integer number (1578387041208).

Almost surely, 2^{38358686040565} is an apocalyptic number.

It is an amenable number.

38358686040565 is a deficient number, since it is larger than the sum of its proper divisors (12149699278091).

38358686040565 is a wasteful number, since it uses less digits than its factorization.

38358686040565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249069.

The product of its (nonzero) digits is 497664000, while the sum is 67.

The spelling of 38358686040565 in words is "thirty-eight trillion, three hundred fifty-eight billion, six hundred eighty-six million, forty thousand, five hundred sixty-five".