402832281132 has 48 divisors (see below), whose sum is σ = 1044470095200. Its totient is φ = 134265841920.

The previous prime is 402832281083. The next prime is 402832281139. The reversal of 402832281132 is 231182238204.

402832281132 is a `hidden beast` number, since 40 + 283 + 228 + 113 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (402832281139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1145544 + ... + 1455312.

It is an arithmetic number, because the mean of its divisors is an integer number (21759793650).

Almost surely, 2^402832281132 is an apocalyptic number.

It is an amenable number.

402832281132 is an abundant number, since it is smaller than the sum of its proper divisors (641637814068).

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

402832281132 is a wasteful number, since it uses less digits than its factorization.

402832281132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321823 (or 321815 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 402832281132 in words is "four hundred two billion, eight hundred thirty-two million, two hundred eighty-one thousand, one hundred thirty-two".