6385404080255 has 16 divisors (see below), whose sum is σ = 7927400041920. Its totient is φ = 4931743901952.

The previous prime is 6385404080239. The next prime is 6385404080267. The reversal of 6385404080255 is 5520804045836.

It is a cyclic number.

It is not a de Polignac number, because 6385404080255 - 2⁴ = 6385404080239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248099 + ... + 3582228.

It is an arithmetic number, because the mean of its divisors is an integer number (495462502620).

Almost surely, 2^{6385404080255} is an apocalyptic number.

6385404080255 is a deficient number, since it is larger than the sum of its proper divisors (1541995961665).

6385404080255 is a wasteful number, since it uses less digits than its factorization.

6385404080255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841858.

The product of its (nonzero) digits is 4608000, while the sum is 50.

The spelling of 6385404080255 in words is "six trillion, three hundred eighty-five billion, four hundred four million, eighty thousand, two hundred fifty-five".