401844464 has 40 divisors (see below), whose sum is σ = 892026240. Its totient is φ = 171787968.

The previous prime is 401844449. The next prime is 401844473. The reversal of 401844464 is 464448104.

It is a super-2 number, since 2×401844464² = 322957946494894592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42647 + ... + 51209.

It is an arithmetic number, because the mean of its divisors is an integer number (22300656).

Almost surely, 2^401844464 is an apocalyptic number.

It is an amenable number.

401844464 is an abundant number, since it is smaller than the sum of its proper divisors (490181776).

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

401844464 is a wasteful number, since it uses less digits than its factorization.

401844464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8997 (or 8991 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 35.

The square root of 401844464 is about 20046.0585652143. The cubic root of 401844464 is about 737.9370740236.

The spelling of 401844464 in words is "four hundred one million, eight hundred forty-four thousand, four hundred sixty-four".