42240643324532 has 48 divisors (see below), whose sum is σ = 75223031546880. Its totient is φ = 20752064784000.

The previous prime is 42240643324531. The next prime is 42240643324543. The reversal of 42240643324532 is 23542334604224.

42240643324532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42240643324531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31678478 + ... + 32984954.

It is an arithmetic number, because the mean of its divisors is an integer number (1567146490560).

Almost surely, 2^{42240643324532} is an apocalyptic number.

It is an amenable number.

42240643324532 is a deficient number, since it is larger than the sum of its proper divisors (32982388222348).

42240643324532 is a wasteful number, since it uses less digits than its factorization.

42240643324532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307192 (or 1307190 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 44.

Adding to 42240643324532 its reverse (23542334604224), we get a palindrome (65782977928756).

The spelling of 42240643324532 in words is "forty-two trillion, two hundred forty billion, six hundred forty-three million, three hundred twenty-four thousand, five hundred thirty-two".