401244404 has 24 divisors (see below), whose sum is σ = 811073088. Its totient is φ = 171655040.

The previous prime is 401244401. The next prime is 401244443. The reversal of 401244404 is 404442104.

It is a self number, because there is not a number n which added to its sum of digits gives 401244404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401244401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267464 + ... + 268959.

It is an arithmetic number, because the mean of its divisors is an integer number (33794712).

Almost surely, 2^401244404 is an apocalyptic number.

401244404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

401244404 is an abundant number, since it is smaller than the sum of its proper divisors (409828684).

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

401244404 is a wasteful number, since it uses less digits than its factorization.

401244404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536455 (or 536453 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 401244404 is about 20031.0859416059. The cubic root of 401244404 is about 737.5695793398.

Adding to 401244404 its reverse (404442104), we get a palindrome (805686508).

The spelling of 401244404 in words is "four hundred one million, two hundred forty-four thousand, four hundred four".