42550271999 has 8 divisors (see below), whose sum is σ = 42960362688. Its totient is φ = 42141623680.

The previous prime is 42550271983. The next prime is 42550272001. The reversal of 42550271999 is 99917205524.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42550271999 - 2⁴ = 42550271983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42550271999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42550271899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301262 + ... + 419355.

It is an arithmetic number, because the mean of its divisors is an integer number (5370045336).

Almost surely, 2^42550271999 is an apocalyptic number.

42550271999 is a deficient number, since it is larger than the sum of its proper divisors (410090689).

42550271999 is a wasteful number, since it uses less digits than its factorization.

42550271999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721185.

The product of its (nonzero) digits is 2041200, while the sum is 53.

The spelling of 42550271999 in words is "forty-two billion, five hundred fifty million, two hundred seventy-one thousand, nine hundred ninety-nine".