42144220334430 has 48 divisors (see below), whose sum is σ = 113109649421184. Its totient is φ = 10875927827520.

The previous prime is 42144220334387. The next prime is 42144220334431. The reversal of 42144220334430 is 3443302244124.

42144220334430 is a `hidden beast` number, since 4 + 2 + 1 + 4 + 4 + 2 + 203 + 3 + 443 + 0 = 666.

It is a super-2 number, since 2×42144220334430² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42144220334431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7552724869 + ... + 7552730448.

It is an arithmetic number, because the mean of its divisors is an integer number (2356451029608).

Almost surely, 2^{42144220334430} is an apocalyptic number.

42144220334430 is an abundant number, since it is smaller than the sum of its proper divisors (70965429086754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42144220334430 is a wasteful number, since it uses less digits than its factorization.

42144220334430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15105455361 (or 15105455358 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 42144220334430 its reverse (3443302244124), we get a palindrome (45587522578554).

The spelling of 42144220334430 in words is "forty-two trillion, one hundred forty-four billion, two hundred twenty million, three hundred thirty-four thousand, four hundred thirty".