6688273340 has 24 divisors (see below), whose sum is σ = 16051856352. Its totient is φ = 2293122240.

The previous prime is 6688273321. The next prime is 6688273357. The reversal of 6688273340 is 433728866.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23886551 + ... + 23886830.

It is an arithmetic number, because the mean of its divisors is an integer number (668827348).

Almost surely, 2^6688273340 is an apocalyptic number.

It is an amenable number.

6688273340 is an abundant number, since it is smaller than the sum of its proper divisors (9363583012).

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

6688273340 is a wasteful number, since it uses less digits than its factorization.

6688273340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47773397 (or 47773395 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 47.

The square root of 6688273340 is about 81781.8643710205. The cubic root of 6688273340 is about 1884.1031309102.

The spelling of 6688273340 in words is "six billion, six hundred eighty-eight million, two hundred seventy-three thousand, three hundred forty".