42331266 has 24 divisors (see below), whose sum is σ = 91887744. Its totient is φ = 14084280.

The previous prime is 42331231. The next prime is 42331277. The reversal of 42331266 is 66213324.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9495 + ... + 13221.

It is an arithmetic number, because the mean of its divisors is an integer number (3828656).

Almost surely, 2^42331266 is an apocalyptic number.

42331266 is an abundant number, since it is smaller than the sum of its proper divisors (49556478).

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

42331266 is a wasteful number, since it uses less digits than its factorization.

42331266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4366 (or 4363 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 42331266 is about 6506.2482276655. The cubic root of 42331266 is about 348.5141527928.

The spelling of 42331266 in words is "forty-two million, three hundred thirty-one thousand, two hundred sixty-six".