4452445215 has 48 divisors (see below), whose sum is σ = 7978763520. Its totient is φ = 2294507520.

The previous prime is 4452445213. The next prime is 4452445243. The reversal of 4452445215 is 5125442544.

4452445215 is a `hidden beast` number, since 44 + 52 + 44 + 521 + 5 = 666.

It is not a de Polignac number, because 4452445215 - 2¹ = 4452445213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4452445215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4452445211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1076271 + ... + 1080399.

It is an arithmetic number, because the mean of its divisors is an integer number (166224240).

Almost surely, 2^4452445215 is an apocalyptic number.

4452445215 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4452445215 is a deficient number, since it is larger than the sum of its proper divisors (3526318305).

4452445215 is a wasteful number, since it uses less digits than its factorization.

4452445215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4944 (or 4941 counting only the distinct ones).

The product of its digits is 128000, while the sum is 36.

The square root of 4452445215 is about 66726.6454649115. The cubic root of 4452445215 is about 1645.1273713208.

Adding to 4452445215 its reverse (5125442544), we get a palindrome (9577887759).

The spelling of 4452445215 in words is "four billion, four hundred fifty-two million, four hundred forty-five thousand, two hundred fifteen".