2340440264 has 16 divisors (see below), whose sum is σ = 4407163020. Its totient is φ = 1165196800.

The previous prime is 2340440251. The next prime is 2340440309. The reversal of 2340440264 is 4620440432.

It can be written as a sum of positive squares in 2 ways, for example, as 2261763364 + 78676900 = 47558^2 + 8870^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625937 + ... + 629664.

Almost surely, 2^2340440264 is an apocalyptic number.

It is an amenable number.

2340440264 is a deficient number, since it is larger than the sum of its proper divisors (2066722756).

2340440264 is a wasteful number, since it uses less digits than its factorization.

2340440264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255840 (or 1255836 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 2340440264 is about 48378.0969447952. The cubic root of 2340440264 is about 1327.6976512661.

Adding to 2340440264 its reverse (4620440432), we get a palindrome (6960880696).

The spelling of 2340440264 in words is "two billion, three hundred forty million, four hundred forty thousand, two hundred sixty-four".