401045444 has 24 divisors (see below), whose sum is σ = 709927680. Its totient is φ = 198218016.

The previous prime is 401045413. The next prime is 401045461. The reversal of 401045444 is 444540104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255149 + ... + 256715.

It is an arithmetic number, because the mean of its divisors is an integer number (29580320).

Almost surely, 2^401045444 is an apocalyptic number.

It is an amenable number.

401045444 is a deficient number, since it is larger than the sum of its proper divisors (308882236).

401045444 is a wasteful number, since it uses less digits than its factorization.

401045444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2267 (or 2265 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 401045444 is about 20026.1190448874. The cubic root of 401045444 is about 737.4476494105.

Adding to 401045444 its reverse (444540104), we get a palindrome (845585548).

The spelling of 401045444 in words is "four hundred one million, forty-five thousand, four hundred forty-four".