42865518677042 has 8 divisors (see below), whose sum is σ = 64451734527600. Its totient is φ = 21381607167844.

The previous prime is 42865518676991. The next prime is 42865518677063. The reversal of 42865518677042 is 24077681556824.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42865518677042.

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, 25576084292 + ... + 25576085967.

It is an arithmetic number, because the mean of its divisors is an integer number (8056466815950).

Almost surely, 2^{42865518677042} is an apocalyptic number.

42865518677042 is a deficient number, since it is larger than the sum of its proper divisors (21586215850558).

42865518677042 is a wasteful number, since it uses less digits than its factorization.

42865518677042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51152170680.

The product of its (nonzero) digits is 180633600, while the sum is 65.

The spelling of 42865518677042 in words is "forty-two trillion, eight hundred sixty-five billion, five hundred eighteen million, six hundred seventy-seven thousand, forty-two".