6410840720 has 40 divisors (see below), whose sum is σ = 14980142400. Its totient is φ = 2551443840.

The previous prime is 6410840707. The next prime is 6410840731. The reversal of 6410840720 is 270480146.

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

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 185426 + ... + 217265.

It is an arithmetic number, because the mean of its divisors is an integer number (374503560).

Almost surely, 2^6410840720 is an apocalyptic number.

It is an amenable number.

6410840720 is an abundant number, since it is smaller than the sum of its proper divisors (8569301680).

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

6410840720 is a wasteful number, since it uses less digits than its factorization.

6410840720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402903 (or 402897 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 6410840720 is about 80067.7258325725. The cubic root of 6410840720 is about 1857.6832372143.

The spelling of 6410840720 in words is "six billion, four hundred ten million, eight hundred forty thousand, seven hundred twenty".