402132212405 has 96 divisors (see below), whose sum is σ = 639575896320. Its totient is φ = 239564666880.

The previous prime is 402132212387. The next prime is 402132212407. The reversal of 402132212405 is 504212231204.

It is not a de Polignac number, because 402132212405 - 2¹⁶ = 402132146869 is a prime.

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 95 ways as a sum of consecutive naturals, for example, 92293487 + ... + 92297843.

It is an arithmetic number, because the mean of its divisors is an integer number (6662248920).

Almost surely, 2^402132212405 is an apocalyptic number.

It is an amenable number.

402132212405 is a deficient number, since it is larger than the sum of its proper divisors (237443683915).

402132212405 is a wasteful number, since it uses less digits than its factorization.

402132212405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5899 (or 5892 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 402132212405 its reverse (504212231204), we get a palindrome (906344443609).

The spelling of 402132212405 in words is "four hundred two billion, one hundred thirty-two million, two hundred twelve thousand, four hundred five".