401843288 has 32 divisors (see below), whose sum is σ = 939375360. Its totient is φ = 156562080.

The previous prime is 401843269. The next prime is 401843291. The reversal of 401843288 is 882348104.

It is a super-2 number, since 2×401843288² = 322956056221301888, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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, 325556 + ... + 326787.

It is an arithmetic number, because the mean of its divisors is an integer number (29355480).

Almost surely, 2^401843288 is an apocalyptic number.

It is an amenable number.

401843288 is an abundant number, since it is smaller than the sum of its proper divisors (537532072).

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

401843288 is a wasteful number, since it uses less digits than its factorization.

401843288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652367 (or 652363 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 401843288 is about 20046.0292327433. The cubic root of 401843288 is about 737.9363541639.

The spelling of 401843288 in words is "four hundred one million, eight hundred forty-three thousand, two hundred eighty-eight".