4045445522 has 8 divisors (see below), whose sum is σ = 6071434572. Its totient is φ = 2021634000.

The previous prime is 4045445497. The next prime is 4045445527. The reversal of 4045445522 is 2255445404.

It can be written as a sum of positive squares in 2 ways, for example, as 3940198441 + 105247081 = 62771^2 + 10259^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4045445527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539729 + ... + 547172.

Almost surely, 2^4045445522 is an apocalyptic number.

4045445522 is a deficient number, since it is larger than the sum of its proper divisors (2025989050).

4045445522 is a wasteful number, since it uses less digits than its factorization.

4045445522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088764.

The product of its (nonzero) digits is 128000, while the sum is 35.

The square root of 4045445522 is about 63603.8168823224. The cubic root of 4045445522 is about 1593.3901166815.

The spelling of 4045445522 in words is "four billion, forty-five million, four hundred forty-five thousand, five hundred twenty-two".