442235143334531 has 8 divisors (see below), whose sum is σ = 442792784501760. Its totient is φ = 441677601740232.

The previous prime is 442235143334507. The next prime is 442235143334549. The reversal of 442235143334531 is 135433341532244.

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

It is a cyclic number.

It is not a de Polignac number, because 442235143334531 - 2³⁴ = 442217963465347 is a prime.

It is a super-2 number, since 2×442235143334531² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442235143334561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16002995 + ... + 33772268.

It is an arithmetic number, because the mean of its divisors is an integer number (55349098062720).

Almost surely, 2^{442235143334531} is an apocalyptic number.

442235143334531 is a deficient number, since it is larger than the sum of its proper divisors (557641167229).

442235143334531 is a wasteful number, since it uses less digits than its factorization.

442235143334531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49786465.

The product of its digits is 6220800, while the sum is 47.

Adding to 442235143334531 its reverse (135433341532244), we get a palindrome (577668484866775).

The spelling of 442235143334531 in words is "four hundred forty-two trillion, two hundred thirty-five billion, one hundred forty-three million, three hundred thirty-four thousand, five hundred thirty-one".