440065712 has 20 divisors (see below), whose sum is σ = 866606736. Its totient is φ = 216425280.

The previous prime is 440065709. The next prime is 440065727. The reversal of 440065712 is 217560044.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224468 + ... + 226419.

Almost surely, 2^440065712 is an apocalyptic number.

It is an amenable number.

440065712 is a deficient number, since it is larger than the sum of its proper divisors (426541024).

440065712 is a wasteful number, since it uses less digits than its factorization.

440065712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450956 (or 450950 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 440065712 is about 20977.7432532673. The cubic root of 440065712 is about 760.6283538451.

The spelling of 440065712 in words is "four hundred forty million, sixty-five thousand, seven hundred twelve".