402433131404 has 24 divisors (see below), whose sum is σ = 704786030256. Its totient is φ = 201065760000.

The previous prime is 402433131379. The next prime is 402433131407. The reversal of 402433131404 is 404131334204.

It is a happy number.

It is a super-2 number, since 2×402433131404² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (402433131407) 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 7 ways as a sum of consecutive naturals, for example, 41013659 + ... + 41023469.

It is an arithmetic number, because the mean of its divisors is an integer number (29366084594).

Almost surely, 2^402433131404 is an apocalyptic number.

It is an amenable number.

402433131404 is a deficient number, since it is larger than the sum of its proper divisors (302352898852).

402433131404 is a wasteful number, since it uses less digits than its factorization.

402433131404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16457 (or 16455 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 402433131404 its reverse (404131334204), we get a palindrome (806564465608).

The spelling of 402433131404 in words is "four hundred two billion, four hundred thirty-three million, one hundred thirty-one thousand, four hundred four".