42141321524 has 12 divisors (see below), whose sum is σ = 73749490500. Its totient is φ = 21070038528.

The previous prime is 42141321511. The next prime is 42141321527. The reversal of 42141321524 is 42512314124.

It is a happy number.

42141321524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 18384648100 + 23756673424 = 135590^2 + 154132^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42141321527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18452 + ... + 290900.

It is an arithmetic number, because the mean of its divisors is an integer number (6145790875).

Almost surely, 2^42141321524 is an apocalyptic number.

It is an amenable number.

42141321524 is a deficient number, since it is larger than the sum of its proper divisors (31608168976).

42141321524 is a wasteful number, since it uses less digits than its factorization.

42141321524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311122 (or 311120 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

Adding to 42141321524 its reverse (42512314124), we get a palindrome (84653635648).

The spelling of 42141321524 in words is "forty-two billion, one hundred forty-one million, three hundred twenty-one thousand, five hundred twenty-four".