42566264 has 16 divisors (see below), whose sum is σ = 85951320. Its totient is φ = 19645920.

The previous prime is 42566257. The next prime is 42566267. The reversal of 42566264 is 46266524.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42566267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204542 + ... + 204749.

Almost surely, 2^42566264 is an apocalyptic number.

It is an amenable number.

42566264 is an abundant number, since it is smaller than the sum of its proper divisors (43385056).

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

42566264 is a wasteful number, since it uses less digits than its factorization.

42566264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409310 (or 409306 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The square root of 42566264 is about 6524.2826425593. The cubic root of 42566264 is about 349.1578774648.

The spelling of 42566264 in words is "forty-two million, five hundred sixty-six thousand, two hundred sixty-four".