42200168 has 8 divisors (see below), whose sum is σ = 79125330. Its totient is φ = 21100080.

The previous prime is 42200167. The next prime is 42200201. The reversal of 42200168 is 86100224.

It can be written as a sum of positive squares in only one way, i.e., 29398084 + 12802084 = 5422^2 + 3578^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (42200161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2637503 + ... + 2637518.

Almost surely, 2^42200168 is an apocalyptic number.

It is an amenable number.

42200168 is a deficient number, since it is larger than the sum of its proper divisors (36925162).

42200168 is a wasteful number, since it uses less digits than its factorization.

42200168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5275027 (or 5275023 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 42200168 is about 6496.1656382823. The cubic root of 42200168 is about 348.1540032693.

The spelling of 42200168 in words is "forty-two million, two hundred thousand, one hundred sixty-eight".