440072518312 has 64 divisors (see below), whose sum is σ = 947602022400. Its totient is φ = 187685695680.

The previous prime is 440072518289. The next prime is 440072518343. The reversal of 440072518312 is 213815270044.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21176487 + ... + 21197257.

It is an arithmetic number, because the mean of its divisors is an integer number (14806281600).

Almost surely, 2^440072518312 is an apocalyptic number.

It is an amenable number.

440072518312 is an abundant number, since it is smaller than the sum of its proper divisors (507529504088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440072518312 is a wasteful number, since it uses less digits than its factorization.

440072518312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22606 (or 22602 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

Adding to 440072518312 its reverse (213815270044), we get a palindrome (653887788356).

The spelling of 440072518312 in words is "four hundred forty billion, seventy-two million, five hundred eighteen thousand, three hundred twelve".