440206056 has 64 divisors (see below), whose sum is σ = 1225190400. Its totient is φ = 146448000.

The previous prime is 440206043. The next prime is 440206087. The reversal of 440206056 is 650602044.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 128121 + ... + 131511.

It is an arithmetic number, because the mean of its divisors is an integer number (19143600).

Almost surely, 2^440206056 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 440206056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (612595200).

440206056 is an abundant number, since it is smaller than the sum of its proper divisors (784984344).

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

440206056 is a wasteful number, since it uses less digits than its factorization.

440206056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007 (or 3997 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 440206056 is about 20981.0880556753. The cubic root of 440206056 is about 760.7092041036.

The spelling of 440206056 in words is "four hundred forty million, two hundred six thousand, fifty-six".