6340887792 has 80 divisors (see below), whose sum is σ = 18221889280. Its totient is φ = 2111168448.

The previous prime is 6340887743. The next prime is 6340887799. The reversal of 6340887792 is 2977880436.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6340887799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383733 + ... + 399915.

It is an arithmetic number, because the mean of its divisors is an integer number (227773616).

Almost surely, 2^6340887792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6340887792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9110944640).

6340887792 is an abundant number, since it is smaller than the sum of its proper divisors (11881001488).

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

6340887792 is a wasteful number, since it uses less digits than its factorization.

6340887792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17107 (or 17095 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The square root of 6340887792 is about 79629.6916482790. The cubic root of 6340887792 is about 1850.9017072019.

The spelling of 6340887792 in words is "six billion, three hundred forty million, eight hundred eighty-seven thousand, seven hundred ninety-two".