404064025827 has 32 divisors (see below), whose sum is σ = 672457081344. Its totient is φ = 209663942400.

The previous prime is 404064025733. The next prime is 404064025889. The reversal of 404064025827 is 728520460404.

It is a happy number.

It is not a de Polignac number, because 404064025827 - 2¹⁵ = 404063993059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404064023827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 794674 + ... + 1199847.

It is an arithmetic number, because the mean of its divisors is an integer number (21014283792).

Almost surely, 2^404064025827 is an apocalyptic number.

404064025827 is a deficient number, since it is larger than the sum of its proper divisors (268393055517).

404064025827 is a wasteful number, since it uses less digits than its factorization.

404064025827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995419.

The product of its (nonzero) digits is 430080, while the sum is 42.

The spelling of 404064025827 in words is "four hundred four billion, sixty-four million, twenty-five thousand, eight hundred twenty-seven".