2668042492 has 24 divisors (see below), whose sum is σ = 4945921344. Its totient is φ = 1254991872.

The previous prime is 2668042483. The next prime is 2668042493. The reversal of 2668042492 is 2942408662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668042493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173293 + ... + 188059.

It is an arithmetic number, because the mean of its divisors is an integer number (206080056).

Almost surely, 2^2668042492 is an apocalyptic number.

It is an amenable number.

2668042492 is a deficient number, since it is larger than the sum of its proper divisors (2277878852).

2668042492 is a wasteful number, since it uses less digits than its factorization.

2668042492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17445 (or 17443 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The square root of 2668042492 is about 51653.0976031448. The cubic root of 2668042492 is about 1386.9609937002.

The spelling of 2668042492 in words is "two billion, six hundred sixty-eight million, forty-two thousand, four hundred ninety-two".