404318653656 has 32 divisors (see below), whose sum is σ = 1011020582400. Its totient is φ = 134743024800.

The previous prime is 404318653649. The next prime is 404318653703. The reversal of 404318653656 is 656356813404.

It is a junction number, because it is equal to n+sod(n) for n = 404318653599 and 404318653608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1755520 + ... + 1972431.

It is an arithmetic number, because the mean of its divisors is an integer number (31594393200).

Almost surely, 2^404318653656 is an apocalyptic number.

It is an amenable number.

404318653656 is an abundant number, since it is smaller than the sum of its proper divisors (606701928744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404318653656 is a wasteful number, since it uses less digits than its factorization.

404318653656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3732479 (or 3732475 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 51.

The spelling of 404318653656 in words is "four hundred four billion, three hundred eighteen million, six hundred fifty-three thousand, six hundred fifty-six".