4243440133442 has 8 divisors (see below), whose sum is σ = 6500589140736. Its totient is φ = 2076577086532.

The previous prime is 4243440133421. The next prime is 4243440133463. The reversal of 4243440133442 is 2443310443424.

It is an interprime number because it is at equal distance from previous prime (4243440133421) and next prime (4243440133463).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4243440133442² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4243440133396 and 4243440133405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22571489978 + ... + 22571490165.

It is an arithmetic number, because the mean of its divisors is an integer number (812573642592).

Almost surely, 2^{4243440133442} is an apocalyptic number.

4243440133442 is a deficient number, since it is larger than the sum of its proper divisors (2257149007294).

4243440133442 is a wasteful number, since it uses less digits than its factorization.

4243440133442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45142980192.

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 4243440133442 its reverse (2443310443424), we get a palindrome (6686750576866).

The spelling of 4243440133442 in words is "four trillion, two hundred forty-three billion, four hundred forty million, one hundred thirty-three thousand, four hundred forty-two".