401312044 has 24 divisors (see below), whose sum is σ = 814607360. Its totient is φ = 169423056.

The previous prime is 401312033. The next prime is 401312057. The reversal of 401312044 is 440213104.

It is a super-2 number, since 2×401312044² = 322102713318915872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105084 + ... + 108835.

Almost surely, 2^401312044 is an apocalyptic number.

It is an amenable number.

401312044 is an abundant number, since it is smaller than the sum of its proper divisors (413295316).

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

401312044 is a wasteful number, since it uses less digits than its factorization.

401312044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213997 (or 213995 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 401312044 is about 20032.7742462196. The cubic root of 401312044 is about 737.6110224127.

Adding to 401312044 its reverse (440213104), we get a palindrome (841525148).

It can be divided in two parts, 401 and 312044, that added together give a triangular number (312445 = T₇₉₀).

The spelling of 401312044 in words is "four hundred one million, three hundred twelve thousand, forty-four".