2303304240 has 80 divisors (see below), whose sum is σ = 7145444448. Its totient is φ = 613767168.

The previous prime is 2303304217. The next prime is 2303304257. The reversal of 2303304240 is 424033032.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447924 + ... + 453036.

Almost surely, 2^2303304240 is an apocalyptic number.

2303304240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2303304240 is an abundant number, since it is smaller than the sum of its proper divisors (4842140208).

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

2303304240 is a wasteful number, since it uses less digits than its factorization.

2303304240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7006 (or 7000 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 2303304240 is about 47992.7519527689. The cubic root of 2303304240 is about 1320.6379377412.

Adding to 2303304240 its reverse (424033032), we get a palindrome (2727337272).

The spelling of 2303304240 in words is "two billion, three hundred three million, three hundred four thousand, two hundred forty".