404644077038359 has 2 divisors, whose sum is σ = 404644077038360. Its totient is φ = 404644077038358.

The previous prime is 404644077038353. The next prime is 404644077038387. The reversal of 404644077038359 is 953830770446404.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404644077038359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404644077038359.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404644077038353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202322038519179 + 202322038519180.

It is an arithmetic number, because the mean of its divisors is an integer number (202322038519180).

Almost surely, 2^{404644077038359} is an apocalyptic number.

404644077038359 is a deficient number, since it is larger than the sum of its proper divisors (1).

404644077038359 is an equidigital number, since it uses as much as digits as its factorization.

404644077038359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243855360, while the sum is 64.

The spelling of 404644077038359 in words is "four hundred four trillion, six hundred forty-four billion, seventy-seven million, thirty-eight thousand, three hundred fifty-nine".