42666264 has 40 divisors (see below), whose sum is σ = 119506860. Its totient is φ = 14221872.

The previous prime is 42666257. The next prime is 42666269. The reversal of 42666264 is 46266624.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42666269) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 32274 + ... + 33569.

Almost surely, 2^42666264 is an apocalyptic number.

It is an amenable number.

42666264 is an abundant number, since it is smaller than the sum of its proper divisors (76840596).

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

42666264 is a wasteful number, since it uses less digits than its factorization.

42666264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65861 (or 65848 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 42666264 is about 6531.9418246032. The cubic root of 42666264 is about 349.4310866356.

The spelling of 42666264 in words is "forty-two million, six hundred sixty-six thousand, two hundred sixty-four".