404534276644 has 12 divisors (see below), whose sum is σ = 708051253168. Its totient is φ = 202233918600.

The previous prime is 404534276621. The next prime is 404534276659. The reversal of 404534276644 is 446672435404.

It is a happy number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 8277522 + ... + 8326249.

Almost surely, 2^404534276644 is an apocalyptic number.

It is an amenable number.

404534276644 is a deficient number, since it is larger than the sum of its proper divisors (303516976524).

404534276644 is a wasteful number, since it uses less digits than its factorization.

404534276644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16609866 (or 16609864 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 49.

The spelling of 404534276644 in words is "four hundred four billion, five hundred thirty-four million, two hundred seventy-six thousand, six hundred forty-four".