402132112 has 40 divisors (see below), whose sum is σ = 821847200. Its totient is φ = 190086912.

The previous prime is 402132103. The next prime is 402132113. The reversal of 402132112 is 211231204.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (402132113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187108 + ... + 189244.

It is an arithmetic number, because the mean of its divisors is an integer number (20546180).

Almost surely, 2^402132112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402132112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410923600).

402132112 is an abundant number, since it is smaller than the sum of its proper divisors (419715088).

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

402132112 is a wasteful number, since it uses less digits than its factorization.

402132112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783 (or 2777 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 402132112 is about 20053.2319589636. The cubic root of 402132112 is about 738.1131085465.

Adding to 402132112 its reverse (211231204), we get a palindrome (613363316).

The spelling of 402132112 in words is "four hundred two million, one hundred thirty-two thousand, one hundred twelve".