2390818816 has 51 divisors (see below), whose sum is σ = 4806766783. Its totient is φ = 1189150720.

The previous prime is 2390818813. The next prime is 2390818847. The reversal of 2390818816 is 6188180932.

The square root of 2390818816 is 48896.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×2390818816² = 11432029221879283712, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2390818813) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 12517281 + ... + 12517471.

Almost surely, 2^2390818816 is an apocalyptic number.

2390818816 is the 48896-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2390818816

2390818816 is an abundant number, since it is smaller than the sum of its proper divisors (2415947967).

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

2390818816 is an frugal number, since it uses more digits than its factorization.

2390818816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 46.

The cubic root of 2390818816 is about 1337.1564442786.

It can be divided in two parts, 23908 and 18816, that added together give a palindrome (42724).

The spelling of 2390818816 in words is "two billion, three hundred ninety million, eight hundred eighteen thousand, eight hundred sixteen".