6865725040 has 40 divisors (see below), whose sum is σ = 15983240400. Its totient is φ = 2742775296.

The previous prime is 6865725019. The next prime is 6865725059. The reversal of 6865725040 is 405275686.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8436 + ... + 117484.

It is an arithmetic number, because the mean of its divisors is an integer number (399581010).

Almost surely, 2^6865725040 is an apocalyptic number.

It is an amenable number.

6865725040 is an abundant number, since it is smaller than the sum of its proper divisors (9117515360).

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

6865725040 is a wasteful number, since it uses less digits than its factorization.

6865725040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109849 (or 109843 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The square root of 6865725040 is about 82859.6707693194. The cubic root of 6865725040 is about 1900.6207611540.

The spelling of 6865725040 in words is "six billion, eight hundred sixty-five million, seven hundred twenty-five thousand, forty".