2393968640 has 104 divisors (see below), whose sum is σ = 6565905600. Its totient is φ = 820740096.

The previous prime is 2393968613. The next prime is 2393968649. The reversal of 2393968640 is 468693932.

It is not an unprimeable number, because it can be changed into a prime (2393968649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135011 + ... + 151709.

Almost surely, 2^2393968640 is an apocalyptic number.

2393968640 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 2393968640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3282952800).

2393968640 is an abundant number, since it is smaller than the sum of its proper divisors (4171936960).

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

2393968640 is an equidigital number, since it uses as much as digits as its factorization.

2393968640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16735 (or 16713 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 50.

The square root of 2393968640 is about 48928.1988223560. The cubic root of 2393968640 is about 1337.7434062496.

The spelling of 2393968640 in words is "two billion, three hundred ninety-three million, nine hundred sixty-eight thousand, six hundred forty".