42566334 has 16 divisors (see below), whose sum is σ = 90140688. Its totient is φ = 13354112.

The previous prime is 42566281. The next prime is 42566339. The reversal of 42566334 is 43366524.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42566295 and 42566304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42566339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208557 + ... + 208760.

It is an arithmetic number, because the mean of its divisors is an integer number (5633793).

Almost surely, 2^42566334 is an apocalyptic number.

42566334 is an abundant number, since it is smaller than the sum of its proper divisors (47574354).

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

42566334 is a wasteful number, since it uses less digits than its factorization.

42566334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417339.

The product of its digits is 51840, while the sum is 33.

The square root of 42566334 is about 6524.2880071315. The cubic root of 42566334 is about 349.1580688608.

The spelling of 42566334 in words is "forty-two million, five hundred sixty-six thousand, three hundred thirty-four".