402132212404 has 24 divisors (see below), whose sum is σ = 757927815008. Its totient is φ = 185583990240.

The previous prime is 402132212387. The next prime is 402132212407. The reversal of 402132212404 is 404212231204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402132212407) 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, 318319 + ... + 951625.

Almost surely, 2^402132212404 is an apocalyptic number.

It is an amenable number.

402132212404 is a deficient number, since it is larger than the sum of its proper divisors (355795602604).

402132212404 is a wasteful number, since it uses less digits than its factorization.

402132212404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645535 (or 645533 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 402132212404 its reverse (404212231204), we get a palindrome (806344443608).

The spelling of 402132212404 in words is "four hundred two billion, one hundred thirty-two million, two hundred twelve thousand, four hundred four".