401444512 has 24 divisors (see below), whose sum is σ = 903250656. Its totient is φ = 172047552.

The previous prime is 401444501. The next prime is 401444539. The reversal of 401444512 is 215444104.

It is a super-2 number, since 2×401444512² = 322315392429836288, which contains 22 as substring.

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, 895858 + ... + 896305.

It is an arithmetic number, because the mean of its divisors is an integer number (37635444).

Almost surely, 2^401444512 is an apocalyptic number.

It is an amenable number.

401444512 is an abundant number, since it is smaller than the sum of its proper divisors (501806144).

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

401444512 is a wasteful number, since it uses less digits than its factorization.

401444512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792180 (or 1792172 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 401444512 is about 20036.0802553793. The cubic root of 401444512 is about 737.6921721559.

Adding to 401444512 its reverse (215444104), we get a palindrome (616888616).

It can be divided in two parts, 401444 and 512, that added together give a square (401956 = 634²).

The spelling of 401444512 in words is "four hundred one million, four hundred forty-four thousand, five hundred twelve".