401424204 has 12 divisors (see below), whose sum is σ = 936656504. Its totient is φ = 133808064.

The previous prime is 401424169. The next prime is 401424209. The reversal of 401424204 is 402424104.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×401424204² = 322282783114067232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401424209) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16725997 + ... + 16726020.

Almost surely, 2^401424204 is an apocalyptic number.

It is an amenable number.

401424204 is an abundant number, since it is smaller than the sum of its proper divisors (535232300).

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

401424204 is a wasteful number, since it uses less digits than its factorization.

401424204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33452024 (or 33452022 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 401424204 is about 20035.5734632179. The cubic root of 401424204 is about 737.6797326573.

Adding to 401424204 its reverse (402424104), we get a palindrome (803848308).

The spelling of 401424204 in words is "four hundred one million, four hundred twenty-four thousand, two hundred four".