38365408025505 has 48 divisors (see below), whose sum is σ = 73263771172800. Its totient is φ = 18417237552000.

The previous prime is 38365408025491. The next prime is 38365408025509. The reversal of 38365408025505 is 50552080456383.

It is a happy number.

38365408025505 is a `hidden beast` number, since 3 + 8 + 3 + 6 + 5 + 4 + 0 + 80 + 2 + 550 + 5 = 666.

It is not a de Polignac number, because 38365408025505 - 2⁴ = 38365408025489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38365408025509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 383642455 + ... + 383742444.

It is an arithmetic number, because the mean of its divisors is an integer number (1526328566100).

Almost surely, 2^{38365408025505} is an apocalyptic number.

It is an amenable number.

38365408025505 is a deficient number, since it is larger than the sum of its proper divisors (34898363147295).

38365408025505 is a wasteful number, since it uses less digits than its factorization.

38365408025505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767385022 (or 767385019 counting only the distinct ones).

The product of its (nonzero) digits is 17280000, while the sum is 54.

The spelling of 38365408025505 in words is "thirty-eight trillion, three hundred sixty-five billion, four hundred eight million, twenty-five thousand, five hundred five".