6801440 has 24 divisors (see below), whose sum is σ = 16068780. Its totient is φ = 2720512.

The previous prime is 6801433. The next prime is 6801467. The reversal of 6801440 is 441086.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6492304 + 309136 = 2548^2 + 556^2 .

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, 21095 + ... + 21414.

Almost surely, 2^6801440 is an apocalyptic number.

It is an amenable number.

6801440 is an abundant number, since it is smaller than the sum of its proper divisors (9267340).

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

6801440 is a wasteful number, since it uses less digits than its factorization.

6801440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42524 (or 42516 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 6801440 is about 2607.9570548611. The cubic root of 6801440 is about 189.4670196919.

The spelling of 6801440 in words is "six million, eight hundred one thousand, four hundred forty".