404244868 has 6 divisors (see below), whose sum is σ = 707428526. Its totient is φ = 202122432.

The previous prime is 404244859. The next prime is 404244899. The reversal of 404244868 is 868442404.

It can be written as a sum of positive squares in only one way, i.e., 229159044 + 175085824 = 15138^2 + 13232^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 404244868.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50530605 + ... + 50530612.

Almost surely, 2^404244868 is an apocalyptic number.

It is an amenable number.

404244868 is a deficient number, since it is larger than the sum of its proper divisors (303183658).

404244868 is a wasteful number, since it uses less digits than its factorization.

404244868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101061221 (or 101061219 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 40.

The square root of 404244868 is about 20105.8416386880. The cubic root of 404244868 is about 739.4035051880.

The spelling of 404244868 in words is "four hundred four million, two hundred forty-four thousand, eight hundred sixty-eight".