42264285 has 16 divisors (see below), whose sum is σ = 77283456. Its totient is φ = 19320768.

The previous prime is 42264283. The next prime is 42264293. The reversal of 42264285 is 58246224.

It is not a de Polignac number, because 42264285 - 2¹ = 42264283 is a prime.

It is a super-2 number, since 2×42264285² = 3572539573122450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42264283) 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, 201154 + ... + 201363.

It is an arithmetic number, because the mean of its divisors is an integer number (4830216).

Almost surely, 2^42264285 is an apocalyptic number.

It is an amenable number.

42264285 is a deficient number, since it is larger than the sum of its proper divisors (35019171).

42264285 is a wasteful number, since it uses less digits than its factorization.

42264285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402532.

The product of its digits is 30720, while the sum is 33.

The square root of 42264285 is about 6501.0987532878. The cubic root of 42264285 is about 348.3302371211.

The spelling of 42264285 in words is "forty-two million, two hundred sixty-four thousand, two hundred eighty-five".