402320364 has 96 divisors (see below), whose sum is σ = 1037836800. Its totient is φ = 120798720.

The previous prime is 402320357. The next prime is 402320389. The reversal of 402320364 is 463023204.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 469024 + ... + 469880.

It is an arithmetic number, because the mean of its divisors is an integer number (10810800).

Almost surely, 2^402320364 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 402320364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518918400).

402320364 is an abundant number, since it is smaller than the sum of its proper divisors (635516436).

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

402320364 is a wasteful number, since it uses less digits than its factorization.

402320364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983 (or 981 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 402320364 is about 20057.9252167317. The cubic root of 402320364 is about 738.2282693670.

Adding to 402320364 its reverse (463023204), we get a palindrome (865343568).

The spelling of 402320364 in words is "four hundred two million, three hundred twenty thousand, three hundred sixty-four".