42531640522 has 8 divisors (see below), whose sum is σ = 72911383776. Its totient is φ = 18227845932.

The previous prime is 42531640513. The next prime is 42531640559. The reversal of 42531640522 is 22504613524.

42531640522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1518987148 + ... + 1518987175.

It is an arithmetic number, because the mean of its divisors is an integer number (9113922972).

Almost surely, 2^42531640522 is an apocalyptic number.

42531640522 is a deficient number, since it is larger than the sum of its proper divisors (30379743254).

42531640522 is a wasteful number, since it uses less digits than its factorization.

42531640522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3037974332.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 42531640522 in words is "forty-two billion, five hundred thirty-one million, six hundred forty thousand, five hundred twenty-two".