440065772 has 12 divisors (see below), whose sum is σ = 774418680. Its totient is φ = 218803296.

The previous prime is 440065771. The next prime is 440065777. The reversal of 440065772 is 277560044.

It is not an unprimeable number, because it can be changed into a prime (440065771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306593 + ... + 308024.

It is an arithmetic number, because the mean of its divisors is an integer number (64534890).

Almost surely, 2^440065772 is an apocalyptic number.

It is an amenable number.

440065772 is a deficient number, since it is larger than the sum of its proper divisors (334352908).

440065772 is a wasteful number, since it uses less digits than its factorization.

440065772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614800 (or 614798 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 440065772 is about 20977.7446833543. The cubic root of 440065772 is about 760.6283884140.

The spelling of 440065772 in words is "four hundred forty million, sixty-five thousand, seven hundred seventy-two".