6785448440 has 16 divisors (see below), whose sum is σ = 15267259080. Its totient is φ = 2714179360.

The previous prime is 6785448427. The next prime is 6785448503. The reversal of 6785448440 is 448445876.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84818066 + ... + 84818145.

Almost surely, 2^6785448440 is an apocalyptic number.

It is an amenable number.

6785448440 is an abundant number, since it is smaller than the sum of its proper divisors (8481810640).

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

6785448440 is a wasteful number, since it uses less digits than its factorization.

6785448440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169636222 (or 169636218 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 50.

The square root of 6785448440 is about 82373.8334667023. The cubic root of 6785448440 is about 1893.1841141023.

The spelling of 6785448440 in words is "six billion, seven hundred eighty-five million, four hundred forty-eight thousand, four hundred forty".