4400142240244 has 48 divisors (see below), whose sum is σ = 7909157950848. Its totient is φ = 2140775779968.

The previous prime is 4400142240229. The next prime is 4400142240251. The reversal of 4400142240244 is 4420422410044.

It is a happy number.

It is a super-2 number, since 2×4400142240244² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149006209 + ... + 149035735.

It is an arithmetic number, because the mean of its divisors is an integer number (164774123976).

Almost surely, 2^{4400142240244} is an apocalyptic number.

It is an amenable number.

4400142240244 is a deficient number, since it is larger than the sum of its proper divisors (3509015710604).

4400142240244 is a wasteful number, since it uses less digits than its factorization.

4400142240244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32824 (or 32822 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 4400142240244 its reverse (4420422410044), we get a palindrome (8820564650288).

The spelling of 4400142240244 in words is "four trillion, four hundred billion, one hundred forty-two million, two hundred forty thousand, two hundred forty-four".