6670420240 has 60 divisors (see below), whose sum is σ = 17046807372. Its totient is φ = 2425603840.

The previous prime is 6670420223. The next prime is 6670420241. The reversal of 6670420240 is 420240766.

It can be written as a sum of positive squares in 2 ways, for example, as 2308610304 + 4361809936 = 48048^2 + 66044^2 .

It is not an unprimeable number, because it can be changed into a prime (6670420241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 334867 + ... + 354226.

Almost surely, 2^6670420240 is an apocalyptic number.

It is an amenable number.

6670420240 is an abundant number, since it is smaller than the sum of its proper divisors (10376387132).

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

6670420240 is a wasteful number, since it uses less digits than its factorization.

6670420240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689128 (or 689111 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 6670420240 is about 81672.6407066650. The cubic root of 6670420240 is about 1882.4252162644.

The spelling of 6670420240 in words is "six billion, six hundred seventy million, four hundred twenty thousand, two hundred forty".