2303002440 has 48 divisors (see below), whose sum is σ = 7484759100. Its totient is φ = 614133888.

The previous prime is 2303002423. The next prime is 2303002463. The reversal of 2303002440 is 442003032.

It can be written as a sum of positive squares in 2 ways, for example, as 2083192164 + 219810276 = 45642^2 + 14826^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 3198255 + ... + 3198974.

Almost surely, 2^2303002440 is an apocalyptic number.

2303002440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2303002440 is an abundant number, since it is smaller than the sum of its proper divisors (5181756660).

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

2303002440 is a wasteful number, since it uses less digits than its factorization.

2303002440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6397246 (or 6397239 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 2303002440 is about 47989.6076249848. The cubic root of 2303002440 is about 1320.5802545323.

Adding to 2303002440 its reverse (442003032), we get a palindrome (2745005472).

The spelling of 2303002440 in words is "two billion, three hundred three million, two thousand, four hundred forty".