402328192 has 64 divisors (see below), whose sum is σ = 964267200. Its totient is φ = 163344384.

The previous prime is 402328181. The next prime is 402328193. The reversal of 402328192 is 291823204.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (402328193) 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, 5208 + ... + 28840.

It is an arithmetic number, because the mean of its divisors is an integer number (15066675).

Almost surely, 2^402328192 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 402328192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (482133600).

402328192 is an abundant number, since it is smaller than the sum of its proper divisors (561939008).

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

402328192 is a wasteful number, since it uses less digits than its factorization.

402328192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23673 (or 23661 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 402328192 is about 20058.1203506211. The cubic root of 402328192 is about 738.2330572707.

It can be divided in two parts, 40 and 2328192, that added together give a palindrome (2328232).

The spelling of 402328192 in words is "four hundred two million, three hundred twenty-eight thousand, one hundred ninety-two".