42521367522 has 32 divisors (see below), whose sum is σ = 85230690048. Its totient is φ = 14142494736.

The previous prime is 42521367463. The next prime is 42521367569. The reversal of 42521367522 is 22576312524.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8496673 + ... + 8501675.

It is an arithmetic number, because the mean of its divisors is an integer number (2663459064).

Almost surely, 2^42521367522 is an apocalyptic number.

42521367522 is an abundant number, since it is smaller than the sum of its proper divisors (42709322526).

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

42521367522 is a wasteful number, since it uses less digits than its factorization.

42521367522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7854.

The product of its digits is 201600, while the sum is 39.

The spelling of 42521367522 in words is "forty-two billion, five hundred twenty-one million, three hundred sixty-seven thousand, five hundred twenty-two".