4042538108268 has 48 divisors (see below), whose sum is σ = 10297248353280. Its totient is φ = 1224160196800.

The previous prime is 4042538108221. The next prime is 4042538108293. The reversal of 4042538108268 is 8628018352404.

It is a super-2 number, since 2×4042538108268² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4042538108268.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10451223 + ... + 10831118.

It is an arithmetic number, because the mean of its divisors is an integer number (214526007360).

Almost surely, 2^{4042538108268} is an apocalyptic number.

It is an amenable number.

4042538108268 is an abundant number, since it is smaller than the sum of its proper divisors (6254710245012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4042538108268 is a wasteful number, since it uses less digits than its factorization.

4042538108268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21283798 (or 21283796 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 51.

The spelling of 4042538108268 in words is "four trillion, forty-two billion, five hundred thirty-eight million, one hundred eight thousand, two hundred sixty-eight".