2304030440 has 32 divisors (see below), whose sum is σ = 5456916000. Its totient is φ = 873105984.

The previous prime is 2304030439. The next prime is 2304030457. The reversal of 2304030440 is 440304032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 1515050 + ... + 1516569.

It is an arithmetic number, because the mean of its divisors is an integer number (170528625).

Almost surely, 2^2304030440 is an apocalyptic number.

2304030440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2304030440 is an abundant number, since it is smaller than the sum of its proper divisors (3152885560).

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

2304030440 is a wasteful number, since it uses less digits than its factorization.

2304030440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031649 (or 3031645 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 2304030440 is about 48000.3170822860. The cubic root of 2304030440 is about 1320.7767161217.

Adding to 2304030440 its reverse (440304032), we get a palindrome (2744334472).

The spelling of 2304030440 in words is "two billion, three hundred four million, thirty thousand, four hundred forty".