42540285538 has 8 divisors (see below), whose sum is σ = 65294391888. Its totient is φ = 20775488244.

The previous prime is 42540285527. The next prime is 42540285547. The reversal of 42540285538 is 83558204524.

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, 247327156 + ... + 247327327.

It is an arithmetic number, because the mean of its divisors is an integer number (8161798986).

Almost surely, 2^42540285538 is an apocalyptic number.

42540285538 is a deficient number, since it is larger than the sum of its proper divisors (22754106350).

42540285538 is a wasteful number, since it uses less digits than its factorization.

42540285538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494654528.

The product of its (nonzero) digits is 1536000, while the sum is 46.

The spelling of 42540285538 in words is "forty-two billion, five hundred forty million, two hundred eighty-five thousand, five hundred thirty-eight".