2668294740 has 24 divisors (see below), whose sum is σ = 7471225440. Its totient is φ = 711545248.

The previous prime is 2668294723. The next prime is 2668294747. The reversal of 2668294740 is 474928662.

2668294740 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2668294740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668294747) 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, 22235730 + ... + 22235849.

It is an arithmetic number, because the mean of its divisors is an integer number (311301060).

Almost surely, 2^2668294740 is an apocalyptic number.

2668294740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2668294740 is an abundant number, since it is smaller than the sum of its proper divisors (4802930700).

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

2668294740 is a wasteful number, since it uses less digits than its factorization.

2668294740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44471591 (or 44471589 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 2668294740 is about 51655.5392963814. The cubic root of 2668294740 is about 1387.0047020386.

The spelling of 2668294740 in words is "two billion, six hundred sixty-eight million, two hundred ninety-four thousand, seven hundred forty".