4243440120442 has 16 divisors (see below), whose sum is σ = 6376292485920. Its totient is φ = 2118009620368.

The previous prime is 4243440120419. The next prime is 4243440120473. The reversal of 4243440120442 is 2440210443424.

It is a junction number, because it is equal to n+sod(n) for n = 4243440120398 and 4243440120407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30818073 + ... + 30955459.

It is an arithmetic number, because the mean of its divisors is an integer number (398518280370).

Almost surely, 2^{4243440120442} is an apocalyptic number.

4243440120442 is a deficient number, since it is larger than the sum of its proper divisors (2132852365478).

4243440120442 is a wasteful number, since it uses less digits than its factorization.

4243440120442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164285.

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 4243440120442 its reverse (2440210443424), we get a palindrome (6683650563866).

The spelling of 4243440120442 in words is "four trillion, two hundred forty-three billion, four hundred forty million, one hundred twenty thousand, four hundred forty-two".