2304045440 has 64 divisors (see below), whose sum is σ = 5518391760. Its totient is φ = 919898112.

The previous prime is 2304045437. The next prime is 2304045461. The reversal of 2304045440 is 445404032.

It is a tau number, because it is divible by the number of its divisors (64).

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, 372614 + ... + 378746.

Almost surely, 2^2304045440 is an apocalyptic number.

2304045440 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 2304045440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2759195880).

2304045440 is an abundant number, since it is smaller than the sum of its proper divisors (3214346320).

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

2304045440 is an equidigital number, since it uses as much as digits as its factorization.

2304045440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6739 (or 6727 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 2304045440 is about 48000.4733309996. The cubic root of 2304045440 is about 1320.7795823465.

Adding to 2304045440 its reverse (445404032), we get a palindrome (2749449472).

The spelling of 2304045440 in words is "two billion, three hundred four million, forty-five thousand, four hundred forty".