2368536640 has 28 divisors (see below), whose sum is σ = 5640078636. Its totient is φ = 947414528.

The previous prime is 2368536607. The next prime is 2368536647. The reversal of 2368536640 is 466358632.

It can be written as a sum of positive squares in 2 ways, for example, as 1649009664 + 719526976 = 40608^2 + 26824^2 .

It is not an unprimeable number, because it can be changed into a prime (2368536647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3700519 + ... + 3701158.

Almost surely, 2^2368536640 is an apocalyptic number.

2368536640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2368536640 is an abundant number, since it is smaller than the sum of its proper divisors (3271541996).

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

2368536640 is an equidigital number, since it uses as much as digits as its factorization.

2368536640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7401694 (or 7401684 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 43.

The square root of 2368536640 is about 48667.6138720608. The cubic root of 2368536640 is about 1332.9894201893.

The spelling of 2368536640 in words is "two billion, three hundred sixty-eight million, five hundred thirty-six thousand, six hundred forty".