404801281268 has 12 divisors (see below), whose sum is σ = 708409212420. Its totient is φ = 202398649152.

The previous prime is 404801281249. The next prime is 404801281271. The reversal of 404801281268 is 862182108404.

It can be written as a sum of positive squares in 2 ways, for example, as 146139527524 + 258661753744 = 382282^2 + 508588^2 .

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 3 ways as a sum of consecutive naturals, for example, 19130 + ... + 899982.

It is an arithmetic number, because the mean of its divisors is an integer number (59034101035).

Almost surely, 2^404801281268 is an apocalyptic number.

It is an amenable number.

404801281268 is a deficient number, since it is larger than the sum of its proper divisors (303607931152).

404801281268 is a wasteful number, since it uses less digits than its factorization.

404801281268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995746 (or 995744 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 44.

The spelling of 404801281268 in words is "four hundred four billion, eight hundred one million, two hundred eighty-one thousand, two hundred sixty-eight".