402314320 has 80 divisors (see below), whose sum is σ = 966902400. Its totient is φ = 155561472.

The previous prime is 402314317. The next prime is 402314347. The reversal of 402314320 is 23413204.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588699 + ... + 589381.

It is an arithmetic number, because the mean of its divisors is an integer number (12086280).

Almost surely, 2^402314320 is an apocalyptic number.

402314320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402314320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (483451200).

402314320 is an abundant number, since it is smaller than the sum of its proper divisors (564588080).

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

402314320 is a wasteful number, since it uses less digits than its factorization.

402314320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932 (or 926 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 402314320 is about 20057.7745525270. The cubic root of 402314320 is about 738.2245725834.

Adding to 402314320 its reverse (23413204), we get a palindrome (425727524).

It can be divided in two parts, 40231 and 4320, that added together give a triangular number (44551 = T₂₉₈).

The spelling of 402314320 in words is "four hundred two million, three hundred fourteen thousand, three hundred twenty".