2663440264 has 16 divisors (see below), whose sum is σ = 5128922700. Its totient is φ = 1295727552.

The previous prime is 2663440261. The next prime is 2663440267. The reversal of 2663440264 is 4620443662.

2663440264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2663440261) and next prime (2663440267).

It can be written as a sum of positive squares in 2 ways, for example, as 2647102500 + 16337764 = 51450^2 + 4042^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (2663440261) 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, 4498759 + ... + 4499350.

Almost surely, 2^2663440264 is an apocalyptic number.

It is an amenable number.

2663440264 is a deficient number, since it is larger than the sum of its proper divisors (2465482436).

2663440264 is a wasteful number, since it uses less digits than its factorization.

2663440264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8998152 (or 8998148 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 37.

The square root of 2663440264 is about 51608.5289850428. The cubic root of 2663440264 is about 1386.1630573314.

The spelling of 2663440264 in words is "two billion, six hundred sixty-three million, four hundred forty thousand, two hundred sixty-four".