440606215660 has 48 divisors (see below), whose sum is σ = 996917191200. Its totient is φ = 162608753664.

The previous prime is 440606215627. The next prime is 440606215729. The reversal of 440606215660 is 66512606044.

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, 155551 + ... + 951529.

It is an arithmetic number, because the mean of its divisors is an integer number (20769108150).

Almost surely, 2^440606215660 is an apocalyptic number.

It is an amenable number.

440606215660 is an abundant number, since it is smaller than the sum of its proper divisors (556310975540).

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

440606215660 is a wasteful number, since it uses less digits than its factorization.

440606215660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798130 (or 798128 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 440606215660 in words is "four hundred forty billion, six hundred six million, two hundred fifteen thousand, six hundred sixty".