38404235675565 has 80 divisors (see below), whose sum is σ = 71203521692160. Its totient is φ = 19782595578240.

The previous prime is 38404235675551. The next prime is 38404235675567. The reversal of 38404235675565 is 56557653240483.

38404235675565 is a `hidden beast` number, since 3 + 8 + 4 + 0 + 4 + 2 + 3 + 5 + 67 + 5 + 565 = 666.

38404235675565 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38404235675565 - 2⁶ = 38404235675501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38404235675567) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3385702 + ... + 9395288.

It is an arithmetic number, because the mean of its divisors is an integer number (890044021152).

Almost surely, 2^{38404235675565} is an apocalyptic number.

It is an amenable number.

38404235675565 is a deficient number, since it is larger than the sum of its proper divisors (32799286016595).

38404235675565 is a wasteful number, since it uses less digits than its factorization.

38404235675565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010144 (or 6010135 counting only the distinct ones).

The product of its (nonzero) digits is 362880000, while the sum is 63.

The spelling of 38404235675565 in words is "thirty-eight trillion, four hundred four billion, two hundred thirty-five million, six hundred seventy-five thousand, five hundred sixty-five".