2323332440 has 64 divisors (see below), whose sum is σ = 6141411360. Its totient is φ = 779857920.

The previous prime is 2323332377. The next prime is 2323332449. The reversal of 2323332440 is 442333232.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2323332449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197369 + ... + 208808.

Almost surely, 2^2323332440 is an apocalyptic number.

2323332440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2323332440 is an abundant number, since it is smaller than the sum of its proper divisors (3818078920).

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

2323332440 is a wasteful number, since it uses less digits than its factorization.

2323332440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406212 (or 406208 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 26.

The square root of 2323332440 is about 48200.9589116233. The cubic root of 2323332440 is about 1324.4547304273.

Adding to 2323332440 its reverse (442333232), we get a palindrome (2765665672).

The spelling of 2323332440 in words is "two billion, three hundred twenty-three million, three hundred thirty-two thousand, four hundred forty".