4445855946 has 72 divisors (see below), whose sum is σ = 11864551140. Its totient is φ = 1195520256.

The previous prime is 4445855899. The next prime is 4445855989. The reversal of 4445855946 is 6495585444.

It is a happy number.

4445855946 is a `hidden beast` number, since 4 + 4 + 4 + 585 + 59 + 4 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4169930625 + 275925321 = 64575^2 + 16611^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4445855892 and 4445855901.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 133261 + ... + 163248.

Almost surely, 2^4445855946 is an apocalyptic number.

4445855946 is an abundant number, since it is smaller than the sum of its proper divisors (7418695194).

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

4445855946 is a wasteful number, since it uses less digits than its factorization.

4445855946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296548 (or 296538 counting only the distinct ones).

The product of its digits is 13824000, while the sum is 54.

The square root of 4445855946 is about 66677.2520879498. The cubic root of 4445855946 is about 1644.3154175735.

The spelling of 4445855946 in words is "four billion, four hundred forty-five million, eight hundred fifty-five thousand, nine hundred forty-six".