440460668028 has 24 divisors (see below), whose sum is σ = 1027753493760. Its totient is φ = 146818517680.

The previous prime is 440460668027. The next prime is 440460668033. The reversal of 440460668028 is 820866064044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440460668027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1283863 + ... + 1590353.

It is an arithmetic number, because the mean of its divisors is an integer number (42823062240).

Almost surely, 2^440460668028 is an apocalyptic number.

It is an amenable number.

440460668028 is an abundant number, since it is smaller than the sum of its proper divisors (587292825732).

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

440460668028 is a wasteful number, since it uses less digits than its factorization.

440460668028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426257 (or 426255 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 48.

The spelling of 440460668028 in words is "four hundred forty billion, four hundred sixty million, six hundred sixty-eight thousand, twenty-eight".