2668640414 has 16 divisors (see below), whose sum is σ = 4426688880. Its totient is φ = 1196400960.

The previous prime is 2668640413. The next prime is 2668640423. The reversal of 2668640414 is 4140468662.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668640411) 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, 829229 + ... + 832440.

It is an arithmetic number, because the mean of its divisors is an integer number (276668055).

Almost surely, 2^2668640414 is an apocalyptic number.

2668640414 is a deficient number, since it is larger than the sum of its proper divisors (1758048466).

2668640414 is a wasteful number, since it uses less digits than its factorization.

2668640414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661755.

The product of its (nonzero) digits is 221184, while the sum is 41.

The square root of 2668640414 is about 51658.8851408932. The cubic root of 2668640414 is about 1387.0645943178.

The spelling of 2668640414 in words is "two billion, six hundred sixty-eight million, six hundred forty thousand, four hundred fourteen".