2328496640 has 80 divisors (see below), whose sum is σ = 5641092072. Its totient is φ = 921698304.

The previous prime is 2328496631. The next prime is 2328496649. The reversal of 2328496640 is 466948232.

It is an interprime number because it is at equal distance from previous prime (2328496631) and next prime (2328496649).

It can be written as a sum of positive squares in 4 ways, for example, as 1331958016 + 996538624 = 36496^2 + 31568^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2328496591 and 2328496600.

It is not an unprimeable number, because it can be changed into a prime (2328496649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243632 + ... + 253008.

Almost surely, 2^2328496640 is an apocalyptic number.

2328496640 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 2328496640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2820546036).

2328496640 is an abundant number, since it is smaller than the sum of its proper divisors (3312595432).

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

2328496640 is an frugal number, since it uses more digits than its factorization.

2328496640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9497 (or 9481 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 44.

The square root of 2328496640 is about 48254.4986503849. The cubic root of 2328496640 is about 1325.4353172708.

The spelling of 2328496640 in words is "two billion, three hundred twenty-eight million, four hundred ninety-six thousand, six hundred forty".