6994368840 has 64 divisors (see below), whose sum is σ = 21116813760. Its totient is φ = 1853280000.

The previous prime is 6994368811. The next prime is 6994368853. The reversal of 6994368840 is 488634996.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166786 + ... + 204465.

It is an arithmetic number, because the mean of its divisors is an integer number (329950215).

Almost surely, 2^6994368840 is an apocalyptic number.

6994368840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6994368840 is an abundant number, since it is smaller than the sum of its proper divisors (14122444920).

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

6994368840 is a wasteful number, since it uses less digits than its factorization.

6994368840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371422 (or 371418 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 57.

The square root of 6994368840 is about 83632.3432650311. The cubic root of 6994368840 is about 1912.4180917546.

The spelling of 6994368840 in words is "six billion, nine hundred ninety-four million, three hundred sixty-eight thousand, eight hundred forty".