404134306556 has 36 divisors (see below), whose sum is σ = 752634281448. Its totient is φ = 189839109888.

The previous prime is 404134306517. The next prime is 404134306591. The reversal of 404134306556 is 655603431404.

It is a super-2 number, since 2×404134306556² (a number of 24 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 330071 + ... + 957713.

It is an arithmetic number, because the mean of its divisors is an integer number (20906507818).

Almost surely, 2^404134306556 is an apocalyptic number.

It is an amenable number.

404134306556 is a deficient number, since it is larger than the sum of its proper divisors (348499974892).

404134306556 is a wasteful number, since it uses less digits than its factorization.

404134306556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628238 (or 628219 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 404134306556 in words is "four hundred four billion, one hundred thirty-four million, three hundred six thousand, five hundred fifty-six".