4400142240243 has 16 divisors (see below), whose sum is σ = 6388591276800. Its totient is φ = 2683208334240.

The previous prime is 4400142240229. The next prime is 4400142240251. The reversal of 4400142240243 is 3420422410044.

It is not a de Polignac number, because 4400142240243 - 2¹⁶ = 4400142174707 is a prime.

It is a super-2 number, since 2×4400142240243² (a number of 26 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 4400142240243.

It is not an unprimeable number, because it can be changed into a prime (4400142240283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1330954863 + ... + 1330958168.

It is an arithmetic number, because the mean of its divisors is an integer number (399286954800).

Almost surely, 2^{4400142240243} is an apocalyptic number.

4400142240243 is a deficient number, since it is larger than the sum of its proper divisors (1988449036557).

4400142240243 is a wasteful number, since it uses less digits than its factorization.

4400142240243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661913082.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 4400142240243 its reverse (3420422410044), we get a palindrome (7820564650287).

The spelling of 4400142240243 in words is "four trillion, four hundred billion, one hundred forty-two million, two hundred forty thousand, two hundred forty-three".