4449442772 has 24 divisors (see below), whose sum is σ = 8099089152. Its totient is φ = 2136513600.

The previous prime is 4449442763. The next prime is 4449442787. The reversal of 4449442772 is 2772449444.

It is a congruent 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, 120713 + ... + 153200.

It is an arithmetic number, because the mean of its divisors is an integer number (337462048).

Almost surely, 2^4449442772 is an apocalyptic number.

It is an amenable number.

4449442772 is a deficient number, since it is larger than the sum of its proper divisors (3649646380).

4449442772 is a wasteful number, since it uses less digits than its factorization.

4449442772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274079 (or 274077 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 47.

The square root of 4449442772 is about 66704.1435894353. The cubic root of 4449442772 is about 1644.7574987669.

The spelling of 4449442772 in words is "four billion, four hundred forty-nine million, four hundred forty-two thousand, seven hundred seventy-two".