15042422534442 has 32 divisors (see below), whose sum is σ = 30776071544064. Its totient is φ = 4899291456000.

The previous prime is 15042422534441. The next prime is 15042422534471. The reversal of 15042422534442 is 24443522424051.

It is a junction number, because it is equal to n+sod(n) for n = 15042422534394 and 15042422534403.

It is not an unprimeable number, because it can be changed into a prime (15042422534441) 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, 44208159 + ... + 44547122.

It is an arithmetic number, because the mean of its divisors is an integer number (961752235752).

Almost surely, 2^{15042422534442} is an apocalyptic number.

15042422534442 is an abundant number, since it is smaller than the sum of its proper divisors (15733649009622).

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

15042422534442 is a wasteful number, since it uses less digits than its factorization.

15042422534442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88755934.

The product of its (nonzero) digits is 1228800, while the sum is 42.

Adding to 15042422534442 its reverse (24443522424051), we get a palindrome (39485944958493).

The spelling of 15042422534442 in words is "fifteen trillion, forty-two billion, four hundred twenty-two million, five hundred thirty-four thousand, four hundred forty-two".