402304244320 has 96 divisors (see below), whose sum is σ = 1052323405056. Its totient is φ = 144108940800.

The previous prime is 402304244249. The next prime is 402304244327. The reversal of 402304244320 is 23442403204.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402304244327) 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, 1587916 + ... + 1823755.

It is an arithmetic number, because the mean of its divisors is an integer number (10961702136).

Almost surely, 2^402304244320 is an apocalyptic number.

402304244320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402304244320 is an abundant number, since it is smaller than the sum of its proper divisors (650019160736).

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

402304244320 is a wasteful number, since it uses less digits than its factorization.

402304244320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411764 (or 3411756 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 402304244320 its reverse (23442403204), we get a palindrome (425746647524).

The spelling of 402304244320 in words is "four hundred two billion, three hundred four million, two hundred forty-four thousand, three hundred twenty".