400104204255 has 48 divisors (see below), whose sum is σ = 792635950080. Its totient is φ = 182893569984.

The previous prime is 400104204239. The next prime is 400104204263. The reversal of 400104204255 is 552402401004.

400104204255 is a `hidden beast` number, since 400 + 1 + 0 + 4 + 2 + 0 + 4 + 255 = 666.

It is not a de Polignac number, because 400104204255 - 2⁴ = 400104204239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7305604 + ... + 7360166.

It is an arithmetic number, because the mean of its divisors is an integer number (16513248960).

Almost surely, 2^400104204255 is an apocalyptic number.

400104204255 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

400104204255 is a deficient number, since it is larger than the sum of its proper divisors (392531745825).

400104204255 is a wasteful number, since it uses less digits than its factorization.

400104204255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77860 (or 77857 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 400104204255 its reverse (552402401004), we get a palindrome (952506605259).

The spelling of 400104204255 in words is "four hundred billion, one hundred four million, two hundred four thousand, two hundred fifty-five".