4445012505 has 16 divisors (see below), whose sum is σ = 7232564160. Its totient is φ = 2330491968.

The previous prime is 4445012503. The next prime is 4445012521. The reversal of 4445012505 is 5052105444.

It is not a de Polignac number, because 4445012505 - 2¹ = 4445012503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4445012503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2510422 + ... + 2512191.

It is an arithmetic number, because the mean of its divisors is an integer number (452035260).

Almost surely, 2^4445012505 is an apocalyptic number.

It is an amenable number.

4445012505 is a deficient number, since it is larger than the sum of its proper divisors (2787551655).

4445012505 is a wasteful number, since it uses less digits than its factorization.

4445012505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5022680.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 4445012505 is about 66670.9269847060. The cubic root of 4445012505 is about 1644.2114277929.

Adding to 4445012505 its reverse (5052105444), we get a palindrome (9497117949).

The spelling of 4445012505 in words is "four billion, four hundred forty-five million, twelve thousand, five hundred five".