4445273612 has 24 divisors (see below), whose sum is σ = 8396757600. Its totient is φ = 2046980736.

The previous prime is 4445273561. The next prime is 4445273629. The reversal of 4445273612 is 2163725444.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74537 + ... + 120192.

It is an arithmetic number, because the mean of its divisors is an integer number (349864900).

Almost surely, 2^4445273612 is an apocalyptic number.

It is an amenable number.

4445273612 is a deficient number, since it is larger than the sum of its proper divisors (3951483988).

4445273612 is a wasteful number, since it uses less digits than its factorization.

4445273612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195185 (or 195183 counting only the distinct ones).

The product of its digits is 161280, while the sum is 38.

The square root of 4445273612 is about 66672.8851333134. The cubic root of 4445273612 is about 1644.2436216811.

The spelling of 4445273612 in words is "four billion, four hundred forty-five million, two hundred seventy-three thousand, six hundred twelve".