6804064240 has 80 divisors (see below), whose sum is σ = 16693128000. Its totient is φ = 2573981696.

The previous prime is 6804064237. The next prime is 6804064247. The reversal of 6804064240 is 424604086.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 6804064196 and 6804064205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6804064247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142986 + ... + 184534.

It is an arithmetic number, because the mean of its divisors is an integer number (208664100).

Almost surely, 2^6804064240 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 6804064240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8346564000).

6804064240 is an abundant number, since it is smaller than the sum of its proper divisors (9889063760).

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

6804064240 is a wasteful number, since it uses less digits than its factorization.

6804064240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41674 (or 41668 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 6804064240 is about 82486.7519059879. The cubic root of 6804064240 is about 1894.9138428722.

The spelling of 6804064240 in words is "six billion, eight hundred four million, sixty-four thousand, two hundred forty".