2303315440 has 40 divisors (see below), whose sum is σ = 5410434960. Its totient is φ = 911824896.

The previous prime is 2303315437. The next prime is 2303315477. The reversal of 2303315440 is 445133032.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×2303315440² = 10610524032284787200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140650 + ... + 156169.

It is an arithmetic number, because the mean of its divisors is an integer number (135260874).

Almost surely, 2^2303315440 is an apocalyptic number.

2303315440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2303315440 is an abundant number, since it is smaller than the sum of its proper divisors (3107119520).

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

2303315440 is a wasteful number, since it uses less digits than its factorization.

2303315440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296929 (or 296923 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 2303315440 is about 47992.8686369131. The cubic root of 2303315440 is about 1320.6400783067.

Adding to 2303315440 its reverse (445133032), we get a palindrome (2748448472).

The spelling of 2303315440 in words is "two billion, three hundred three million, three hundred fifteen thousand, four hundred forty".