401444368 has 20 divisors (see below), whose sum is σ = 837629548. Its totient is φ = 185281920.

The previous prime is 401444359. The next prime is 401444383. The reversal of 401444368 is 863444104.

It can be written as a sum of positive squares in 2 ways, for example, as 251920384 + 149523984 = 15872^2 + 12228^2 .

It is a super-2 number, since 2×401444368² = 322315161197838848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 964803 + ... + 965218.

Almost surely, 2^401444368 is an apocalyptic number.

It is an amenable number.

401444368 is an abundant number, since it is smaller than the sum of its proper divisors (436185180).

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

401444368 is a wasteful number, since it uses less digits than its factorization.

401444368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930042 (or 1930036 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 401444368 is about 20036.0766618617. The cubic root of 401444368 is about 737.6920839513.

The spelling of 401444368 in words is "four hundred one million, four hundred forty-four thousand, three hundred sixty-eight".