42266433 has 32 divisors (see below), whose sum is σ = 64696320. Its totient is φ = 24295040.

The previous prime is 42266417. The next prime is 42266443. The reversal of 42266433 is 33466224.

It is a happy number.

It is not a de Polignac number, because 42266433 - 2⁴ = 42266417 is a prime.

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 42266433.

It is not an unprimeable number, because it can be changed into a prime (42266443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176728 + ... + 176966.

It is an arithmetic number, because the mean of its divisors is an integer number (2021760).

Almost surely, 2^42266433 is an apocalyptic number.

It is an amenable number.

42266433 is a deficient number, since it is larger than the sum of its proper divisors (22429887).

42266433 is a wasteful number, since it uses less digits than its factorization.

42266433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509.

The product of its digits is 20736, while the sum is 30.

The square root of 42266433 is about 6501.2639540323. The cubic root of 42266433 is about 348.3361380898.

The spelling of 42266433 in words is "forty-two million, two hundred sixty-six thousand, four hundred thirty-three".