401430432404 has 12 divisors (see below), whose sum is σ = 704040466164. Its totient is φ = 200276013504.

The previous prime is 401430432401. The next prime is 401430432409. The reversal of 401430432404 is 404234034104.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 309347316100 + 92083116304 = 556190^2 + 303452^2 .

It is a super-2 number, since 2×401430432404² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401430432401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109798619 + ... + 109802274.

It is an arithmetic number, because the mean of its divisors is an integer number (58670038847).

Almost surely, 2^401430432404 is an apocalyptic number.

It is an amenable number.

401430432404 is a deficient number, since it is larger than the sum of its proper divisors (302610033760).

401430432404 is a wasteful number, since it uses less digits than its factorization.

401430432404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219601354 (or 219601352 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 401430432404 its reverse (404234034104), we get a palindrome (805664466508).

The spelling of 401430432404 in words is "four hundred one billion, four hundred thirty million, four hundred thirty-two thousand, four hundred four".