440141244424 has 24 divisors (see below), whose sum is σ = 960001949790. Its totient is φ = 188631961728.

The previous prime is 440141244349. The next prime is 440141244427. The reversal of 440141244424 is 424442141044.

It can be written as a sum of positive squares in only one way, i.e., 270576828900 + 169564415524 = 520170^2 + 411782^2 .

It is a super-2 number, since 2×440141244424² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 440141244424.

It is not an unprimeable number, because it can be changed into a prime (440141244427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 561404257 + ... + 561405040.

Almost surely, 2^440141244424 is an apocalyptic number.

It is an amenable number.

440141244424 is an abundant number, since it is smaller than the sum of its proper divisors (519860705366).

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

440141244424 is a wasteful number, since it uses less digits than its factorization.

440141244424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122809317 (or 1122809306 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 34.

Adding to 440141244424 its reverse (424442141044), we get a palindrome (864583385468).

The spelling of 440141244424 in words is "four hundred forty billion, one hundred forty-one million, two hundred forty-four thousand, four hundred twenty-four".