401444444 has 12 divisors (see below), whose sum is σ = 702933000. Its totient is φ = 200606448.

The previous prime is 401444429. The next prime is 401444467. The reversal of 401444444 is 444444104.

It is a super-2 number, since 2×401444444² = 322315283236938272, 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 3 ways as a sum of consecutive naturals, for example, 20894 + ... + 35205.

It is an arithmetic number, because the mean of its divisors is an integer number (58577750).

Almost surely, 2^401444444 is an apocalyptic number.

It is an amenable number.

401444444 is a deficient number, since it is larger than the sum of its proper divisors (301488556).

401444444 is a wasteful number, since it uses less digits than its factorization.

401444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57892 (or 57890 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 29.

The square root of 401444444 is about 20036.0785584405. The cubic root of 401444444 is about 737.6921305037.

Adding to 401444444 its reverse (444444104), we get a palindrome (845888548).

The spelling of 401444444 in words is "four hundred one million, four hundred forty-four thousand, four hundred forty-four".