38855407385 has 16 divisors (see below), whose sum is σ = 47097469440. Its totient is φ = 30771899520.

The previous prime is 38855407307. The next prime is 38855407387. The reversal of 38855407385 is 58370455883.

It is not a de Polignac number, because 38855407385 - 2²² = 38851213081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38855407385.

It is not an unprimeable number, because it can be changed into a prime (38855407387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102245 + ... + 296925.

It is an arithmetic number, because the mean of its divisors is an integer number (2943591840).

Almost surely, 2^38855407385 is an apocalyptic number.

It is an amenable number.

38855407385 is a deficient number, since it is larger than the sum of its proper divisors (8242062055).

38855407385 is a wasteful number, since it uses less digits than its factorization.

38855407385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195088.

The product of its (nonzero) digits is 16128000, while the sum is 56.

The spelling of 38855407385 in words is "thirty-eight billion, eight hundred fifty-five million, four hundred seven thousand, three hundred eighty-five".