401313444 has 48 divisors (see below), whose sum is σ = 1081223808. Its totient is φ = 113476608.

The previous prime is 401313439. The next prime is 401313461. The reversal of 401313444 is 444313104.

It is a super-2 number, since 2×401313444² = 322104960670282272, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 16479 + ... + 32774.

It is an arithmetic number, because the mean of its divisors is an integer number (22525496).

Almost surely, 2^401313444 is an apocalyptic number.

It is an amenable number.

401313444 is an abundant number, since it is smaller than the sum of its proper divisors (679910364).

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

401313444 is a wasteful number, since it uses less digits than its factorization.

401313444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49364 (or 49362 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 401313444 is about 20032.8091889280. The cubic root of 401313444 is about 737.6118801444.

Adding to 401313444 its reverse (444313104), we get a palindrome (845626548).

The spelling of 401313444 in words is "four hundred one million, three hundred thirteen thousand, four hundred forty-four".