42446466 has 12 divisors (see below), whose sum is σ = 91967382. Its totient is φ = 14148816.

The previous prime is 42446441. The next prime is 42446479. The reversal of 42446466 is 66464424.

It is a happy number.

42446466 is a `hidden beast` number, since 4 + 2 + 4 + 4 + 646 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 40259025 + 2187441 = 6345^2 + 1479^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42446466.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1179051 + ... + 1179086.

Almost surely, 2^42446466 is an apocalyptic number.

42446466 is an abundant number, since it is smaller than the sum of its proper divisors (49520916).

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

42446466 is a wasteful number, since it uses less digits than its factorization.

42446466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2358145 (or 2358142 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The square root of 42446466 is about 6515.0952410537. The cubic root of 42446466 is about 348.8300143998.

The spelling of 42446466 in words is "forty-two million, four hundred forty-six thousand, four hundred sixty-six".