401744344 has 16 divisors (see below), whose sum is σ = 769298400. Its totient is φ = 196598112.

The previous prime is 401744339. The next prime is 401744347. The reversal of 401744344 is 443447104.

It is a happy number.

It is a super-2 number, since 2×401744344² = 322797035871980672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401744347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533859 + ... + 534610.

It is an arithmetic number, because the mean of its divisors is an integer number (48081150).

Almost surely, 2^401744344 is an apocalyptic number.

It is an amenable number.

401744344 is a deficient number, since it is larger than the sum of its proper divisors (367554056).

401744344 is a wasteful number, since it uses less digits than its factorization.

401744344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068522 (or 1068518 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 401744344 is about 20043.5611606321. The cubic root of 401744344 is about 737.8757829825.

The spelling of 401744344 in words is "four hundred one million, seven hundred forty-four thousand, three hundred forty-four".