401352312 has 32 divisors (see below), whose sum is σ = 1004169600. Its totient is φ = 133678944.

The previous prime is 401352247. The next prime is 401352331. The reversal of 401352312 is 213253104.

It is a super-2 number, since 2×401352312² = 322167356695490688, which contains 22 as substring.

It is a congruent number.

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, 28389 + ... + 40107.

It is an arithmetic number, because the mean of its divisors is an integer number (31380300).

Almost surely, 2^401352312 is an apocalyptic number.

It is an amenable number.

401352312 is an abundant number, since it is smaller than the sum of its proper divisors (602817288).

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

401352312 is a wasteful number, since it uses less digits than its factorization.

401352312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13155 (or 13151 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 401352312 is about 20033.7792740162. The cubic root of 401352312 is about 737.6356924317.

The spelling of 401352312 in words is "four hundred one million, three hundred fifty-two thousand, three hundred twelve".