42115266 has 24 divisors (see below), whose sum is σ = 92194284. Its totient is φ = 13893120.

The previous prime is 42115253. The next prime is 42115303. The reversal of 42115266 is 66251124.

It can be written as a sum of positive squares in 2 ways, for example, as 41332041 + 783225 = 6429^2 + 885^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10315 + ... + 13806.

Almost surely, 2^42115266 is an apocalyptic number.

42115266 is an abundant number, since it is smaller than the sum of its proper divisors (50079018).

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

42115266 is a wasteful number, since it uses less digits than its factorization.

42115266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24226 (or 24223 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 42115266 is about 6489.6275702077. The cubic root of 42115266 is about 347.9203642589.

The spelling of 42115266 in words is "forty-two million, one hundred fifteen thousand, two hundred sixty-six".