4446406305 has 40 divisors (see below), whose sum is σ = 8695203264. Its totient is φ = 2155831200.

The previous prime is 4446406301. The next prime is 4446406309. The reversal of 4446406305 is 5036046444.

4446406305 is a `hidden beast` number, since 4 + 4 + 4 + 640 + 6 + 3 + 0 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (4446406301) and next prime (4446406309).

It is not a de Polignac number, because 4446406305 - 2² = 4446406301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4446406305.

It is not an unprimeable number, because it can be changed into a prime (4446406301) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 494581 + ... + 503490.

Almost surely, 2^4446406305 is an apocalyptic number.

4446406305 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4446406305 is a deficient number, since it is larger than the sum of its proper divisors (4248796959).

4446406305 is a wasteful number, since it uses less digits than its factorization.

4446406305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998099 (or 998090 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The square root of 4446406305 is about 66681.3789974383. The cubic root of 4446406305 is about 1644.3832655095.

The spelling of 4446406305 in words is "four billion, four hundred forty-six million, four hundred six thousand, three hundred five".