6799203840 has 640 divisors, whose sum is σ = 26332314624. Its totient is φ = 1474560000.

The previous prime is 6799203773. The next prime is 6799203883. The reversal of 6799203840 is 483029976.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 6799203840.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45027765 + ... + 45027915.

Almost surely, 2^6799203840 is an apocalyptic number.

6799203840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6799203840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13166157312).

6799203840 is an abundant number, since it is smaller than the sum of its proper divisors (19533110784).

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

6799203840 is a wasteful number, since it uses less digits than its factorization.

6799203840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 6799203840 is about 82457.2849419625. The cubic root of 6799203840 is about 1894.4625325566.

The spelling of 6799203840 in words is "six billion, seven hundred ninety-nine million, two hundred three thousand, eight hundred forty".