42320299 has 16 divisors (see below), whose sum is σ = 51651072. Its totient is φ = 33884928.

The previous prime is 42320297. The next prime is 42320329. The reversal of 42320299 is 99202324.

It is not a de Polignac number, because 42320299 - 2¹ = 42320297 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 42320299.

It is not an unprimeable number, because it can be changed into a prime (42320297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3867 + ... + 9979.

It is an arithmetic number, because the mean of its divisors is an integer number (3228192).

Almost surely, 2^42320299 is an apocalyptic number.

42320299 is a deficient number, since it is larger than the sum of its proper divisors (9330773).

42320299 is a wasteful number, since it uses less digits than its factorization.

42320299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6186.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 42320299 is about 6505.4053678460. The cubic root of 42320299 is about 348.4840530171.

The spelling of 42320299 in words is "forty-two million, three hundred twenty thousand, two hundred ninety-nine".