440213020112 has 80 divisors (see below), whose sum is σ = 917824536720. Its totient is φ = 203792449536.

The previous prime is 440213020103. The next prime is 440213020157. The reversal of 440213020112 is 211020312044.

It can be written as a sum of positive squares in 8 ways, for example, as 20174225296 + 420038794816 = 142036^2 + 648104^2 .

It is a super-2 number, since 2×440213020112² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 7695488 + ... + 7752480.

It is an arithmetic number, because the mean of its divisors is an integer number (11472806709).

Almost surely, 2^440213020112 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 440213020112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458912268360).

440213020112 is an abundant number, since it is smaller than the sum of its proper divisors (477611516608).

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

440213020112 is a wasteful number, since it uses less digits than its factorization.

440213020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57480 (or 57474 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 440213020112 its reverse (211020312044), we get a palindrome (651233332156).

The spelling of 440213020112 in words is "four hundred forty billion, two hundred thirteen million, twenty thousand, one hundred twelve".