42000144242232 has 64 divisors (see below), whose sum is σ = 114550125039360. Its totient is φ = 12726841203200.

The previous prime is 42000144242191. The next prime is 42000144242233. The reversal of 42000144242232 is 23224244100024.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42000144242232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42000144242233) 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, 4145632 + ... + 10059152.

It is an arithmetic number, because the mean of its divisors is an integer number (1789845703740).

Almost surely, 2^{42000144242232} is an apocalyptic number.

It is an amenable number.

42000144242232 is an abundant number, since it is smaller than the sum of its proper divisors (72549980797128).

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

42000144242232 is a wasteful number, since it uses less digits than its factorization.

42000144242232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5940444 (or 5940440 counting only the distinct ones).

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

Adding to 42000144242232 its reverse (23224244100024), we get a palindrome (65224388342256).

The spelling of 42000144242232 in words is "forty-two trillion, one hundred forty-four million, two hundred forty-two thousand, two hundred thirty-two".