401031344 has 40 divisors (see below), whose sum is σ = 889505568. Its totient is φ = 171578880.

The previous prime is 401031331. The next prime is 401031353. The reversal of 401031344 is 443130104.

It is a happy number.

It is a super-2 number, since 2×401031344² = 321652277740892672, 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, 71324 + ... + 76740.

Almost surely, 2^401031344 is an apocalyptic number.

It is an amenable number.

401031344 is an abundant number, since it is smaller than the sum of its proper divisors (488474224).

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

401031344 is a wasteful number, since it uses less digits than its factorization.

401031344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6093 (or 6087 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 401031344 is about 20025.7670015408. The cubic root of 401031344 is about 737.4390068873.

Adding to 401031344 its reverse (443130104), we get a palindrome (844161448).

The spelling of 401031344 in words is "four hundred one million, thirty-one thousand, three hundred forty-four".