440304712 has 16 divisors (see below), whose sum is σ = 829179900. Its totient is φ = 219190080.

The previous prime is 440304677. The next prime is 440304719. The reversal of 440304712 is 217403044.

It can be written as a sum of positive squares in 2 ways, for example, as 409900516 + 30404196 = 20246^2 + 5514^2 .

It is not an unprimeable number, because it can be changed into a prime (440304719) 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, 118339 + ... + 122002.

Almost surely, 2^440304712 is an apocalyptic number.

It is an amenable number.

440304712 is a deficient number, since it is larger than the sum of its proper divisors (388875188).

440304712 is a wasteful number, since it uses less digits than its factorization.

440304712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240576 (or 240572 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 440304712 is about 20983.4389936445. The cubic root of 440304712 is about 760.7660281904.

Adding to 440304712 its reverse (217403044), we get a palindrome (657707756).

The spelling of 440304712 in words is "four hundred forty million, three hundred four thousand, seven hundred twelve".