6670440432 has 30 divisors (see below), whose sum is σ = 18667969112. Its totient is φ = 2223480096.

The previous prime is 6670440421. The next prime is 6670440437. The reversal of 6670440432 is 2340440766.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6670440437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23161108 + ... + 23161395.

Almost surely, 2^6670440432 is an apocalyptic number.

It is an amenable number.

6670440432 is an abundant number, since it is smaller than the sum of its proper divisors (11997528680).

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

6670440432 is a wasteful number, since it uses less digits than its factorization.

6670440432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46322517 (or 46322508 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

The square root of 6670440432 is about 81672.7643220186. The cubic root of 6670440432 is about 1882.4271156895.

The spelling of 6670440432 in words is "six billion, six hundred seventy million, four hundred forty thousand, four hundred thirty-two".