15020042442 has 16 divisors (see below), whose sum is σ = 31075950240. Its totient is φ = 4834036592.

The previous prime is 15020042371. The next prime is 15020042447. The reversal of 15020042442 is 24424002051.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (15020042447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43160868 + ... + 43161215.

It is an arithmetic number, because the mean of its divisors is an integer number (1942246890).

Almost surely, 2^15020042442 is an apocalyptic number.

15020042442 is an abundant number, since it is smaller than the sum of its proper divisors (16055907798).

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

15020042442 is a wasteful number, since it uses less digits than its factorization.

15020042442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86322117.

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 15020042442 its reverse (24424002051), we get a palindrome (39444044493).

The spelling of 15020042442 in words is "fifteen billion, twenty million, forty-two thousand, four hundred forty-two".