6790938640 has 40 divisors (see below), whose sum is σ = 15832022400. Its totient is φ = 2708962176.

The previous prime is 6790938593. The next prime is 6790938641. The reversal of 6790938640 is 468390976.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×6790938640² = 92233695224490099200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6790938641) 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, 86290 + ... + 145009.

It is an arithmetic number, because the mean of its divisors is an integer number (395800560).

Almost surely, 2^6790938640 is an apocalyptic number.

It is an amenable number.

6790938640 is an abundant number, since it is smaller than the sum of its proper divisors (9041083760).

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

6790938640 is a wasteful number, since it uses less digits than its factorization.

6790938640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231679 (or 231673 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 52.

The square root of 6790938640 is about 82407.1516313967. The cubic root of 6790938640 is about 1893.6945769197.

The spelling of 6790938640 in words is "six billion, seven hundred ninety million, nine hundred thirty-eight thousand, six hundred forty".