42487266 has 16 divisors (see below), whose sum is σ = 85817088. Its totient is φ = 14022000.

The previous prime is 42487253. The next prime is 42487271. The reversal of 42487266 is 66278424.

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 7 ways as a sum of consecutive naturals, for example, 34450 + ... + 35661.

It is an arithmetic number, because the mean of its divisors is an integer number (5363568).

Almost surely, 2^42487266 is an apocalyptic number.

42487266 is an abundant number, since it is smaller than the sum of its proper divisors (43329822).

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

42487266 is a wasteful number, since it uses less digits than its factorization.

42487266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70217.

The product of its digits is 129024, while the sum is 39.

The square root of 42487266 is about 6518.2256788178. The cubic root of 42487266 is about 348.9417449968.

The spelling of 42487266 in words is "forty-two million, four hundred eighty-seven thousand, two hundred sixty-six".