404513255346 has 16 divisors (see below), whose sum is σ = 851606853600. Its totient is φ = 127741027968.

The previous prime is 404513255317. The next prime is 404513255351. The reversal of 404513255346 is 643552315404.

It is a junction number, because it is equal to n+sod(n) for n = 404513255298 and 404513255307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1774180831 + ... + 1774181058.

It is an arithmetic number, because the mean of its divisors is an integer number (53225428350).

Almost surely, 2^404513255346 is an apocalyptic number.

404513255346 is an abundant number, since it is smaller than the sum of its proper divisors (447093598254).

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

404513255346 is a wasteful number, since it uses less digits than its factorization.

404513255346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3548361913.

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 404513255346 in words is "four hundred four billion, five hundred thirteen million, two hundred fifty-five thousand, three hundred forty-six".