404395684377 has 8 divisors (see below), whose sum is σ = 540319914240. Its totient is φ = 269034288720.

The previous prime is 404395684313. The next prime is 404395684477. The reversal of 404395684377 is 773486593404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 404395684377 - 2⁶ = 404395684313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404395684377.

It is not an unprimeable number, because it can be changed into a prime (404395684177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140706874 + ... + 140709747.

It is an arithmetic number, because the mean of its divisors is an integer number (67539989280).

Almost surely, 2^404395684377 is an apocalyptic number.

It is an amenable number.

404395684377 is a deficient number, since it is larger than the sum of its proper divisors (135924229863).

404395684377 is a wasteful number, since it uses less digits than its factorization.

404395684377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281417103.

The product of its (nonzero) digits is 60963840, while the sum is 60.

The spelling of 404395684377 in words is "four hundred four billion, three hundred ninety-five million, six hundred eighty-four thousand, three hundred seventy-seven".