445009027 has 4 divisors (see below), whose sum is σ = 457036336. Its totient is φ = 432981720.

The previous prime is 445009009. The next prime is 445009049. The reversal of 445009027 is 720900544.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445009027 is a prime.

It is a super-2 number, since 2×445009027² = 396066068222973458, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 445009027.

It is not an unprimeable number, because it can be changed into a prime (445009007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6013599 + ... + 6013672.

It is an arithmetic number, because the mean of its divisors is an integer number (114259084).

Almost surely, 2^445009027 is an apocalyptic number.

445009027 is a deficient number, since it is larger than the sum of its proper divisors (12027309).

445009027 is a wasteful number, since it uses less digits than its factorization.

445009027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12027308.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 445009027 is about 21095.2370690637. The cubic root of 445009027 is about 763.4658344810.

The spelling of 445009027 in words is "four hundred forty-five million, nine thousand, twenty-seven".