4445422668 has 24 divisors (see below), whose sum is σ = 11525170160. Its totient is φ = 1481807520.

The previous prime is 4445422651. The next prime is 4445422679. The reversal of 4445422668 is 8662245444.

4445422668 is a `hidden beast` number, since 4 + 44 + 542 + 2 + 6 + 68 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20580553 + ... + 20580768.

Almost surely, 2^4445422668 is an apocalyptic number.

It is an amenable number.

4445422668 is an abundant number, since it is smaller than the sum of its proper divisors (7079747492).

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

4445422668 is a wasteful number, since it uses less digits than its factorization.

4445422668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41161334 (or 41161326 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 45.

The square root of 4445422668 is about 66674.0029396766. The cubic root of 4445422668 is about 1644.2619993754.

The spelling of 4445422668 in words is "four billion, four hundred forty-five million, four hundred twenty-two thousand, six hundred sixty-eight".