6670444392 has 64 divisors (see below), whose sum is σ = 18539136000. Its totient is φ = 2222266752.

The previous prime is 6670444387. The next prime is 6670444393. The reversal of 6670444392 is 2934440766.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6670444393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443833 + ... + 458615.

It is an arithmetic number, because the mean of its divisors is an integer number (289674000).

Almost surely, 2^6670444392 is an apocalyptic number.

It is an amenable number.

6670444392 is an abundant number, since it is smaller than the sum of its proper divisors (11868691608).

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

6670444392 is a wasteful number, since it uses less digits than its factorization.

6670444392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16887 (or 16877 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The square root of 6670444392 is about 81672.7885651029. The cubic root of 6670444392 is about 1882.4274881992.

The spelling of 6670444392 in words is "six billion, six hundred seventy million, four hundred forty-four thousand, three hundred ninety-two".