401224431204 has 36 divisors (see below), whose sum is σ = 1017405618684. Its totient is φ = 133319575872.

The previous prime is 401224431187. The next prime is 401224431229. The reversal of 401224431204 is 402134422104.

401224431204 is a `hidden beast` number, since 4 + 0 + 1 + 2 + 24 + 431 + 204 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 116996834304 + 284227596900 = 342048^2 + 533130^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17567647 + ... + 17590470.

Almost surely, 2^401224431204 is an apocalyptic number.

It is an amenable number.

401224431204 is an abundant number, since it is smaller than the sum of its proper divisors (616181187480).

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

401224431204 is a wasteful number, since it uses less digits than its factorization.

401224431204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35158444 (or 35158439 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 401224431204 its reverse (402134422104), we get a palindrome (803358853308).

The spelling of 401224431204 in words is "four hundred one billion, two hundred twenty-four million, four hundred thirty-one thousand, two hundred four".