440970660 has 144 divisors (see below), whose sum is σ = 1487216640. Its totient is φ = 105027840.

The previous prime is 440970643. The next prime is 440970679. The reversal of 440970660 is 66079044.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69501 + ... + 75579.

Almost surely, 2^440970660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440970660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (743608320).

440970660 is an abundant number, since it is smaller than the sum of its proper divisors (1046245980).

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

440970660 is a wasteful number, since it uses less digits than its factorization.

440970660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6138 (or 6133 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 440970660 is about 20999.3014169519. The cubic root of 440970660 is about 761.1493804419.

The spelling of 440970660 in words is "four hundred forty million, nine hundred seventy thousand, six hundred sixty".