42160100242 has 8 divisors (see below), whose sum is σ = 68104777356. Its totient is φ = 19458507792.

The previous prime is 42160100231. The next prime is 42160100261. The reversal of 42160100242 is 24200106124.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40072432761 + 2087667481 = 200181^2 + 45691^2 .

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, 810771133 + ... + 810771184.

Almost surely, 2^42160100242 is an apocalyptic number.

42160100242 is a deficient number, since it is larger than the sum of its proper divisors (25944677114).

42160100242 is a wasteful number, since it uses less digits than its factorization.

42160100242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621542332.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 42160100242 its reverse (24200106124), we get a palindrome (66360206366).

The spelling of 42160100242 in words is "forty-two billion, one hundred sixty million, one hundred thousand, two hundred forty-two".