2402321320 has 64 divisors (see below), whose sum is σ = 6189206400. Its totient is φ = 822078720.

The previous prime is 2402321309. The next prime is 2402321333. The reversal of 2402321320 is 231232042.

It is a super-2 number, since 2×2402321320² = 11542295449053084800, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 143551 + ... + 159409.

It is an arithmetic number, because the mean of its divisors is an integer number (96706350).

Almost surely, 2^2402321320 is an apocalyptic number.

2402321320 is a gapful number since it is divisible by the number (20) 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 2402321320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3094603200).

2402321320 is an abundant number, since it is smaller than the sum of its proper divisors (3786885080).

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

2402321320 is a wasteful number, since it uses less digits than its factorization.

2402321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16418 (or 16414 counting only the distinct ones).

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

The square root of 2402321320 is about 49013.4810026793. The cubic root of 2402321320 is about 1339.2974188746.

Adding to 2402321320 its reverse (231232042), we get a palindrome (2633553362).

The spelling of 2402321320 in words is "two billion, four hundred two million, three hundred twenty-one thousand, three hundred twenty".