42899266 has 4 divisors (see below), whose sum is σ = 64348902. Its totient is φ = 21449632.

The previous prime is 42899237. The next prime is 42899281. The reversal of 42899266 is 66299824.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38081241 + 4818025 = 6171^2 + 2195^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10724815 + ... + 10724818.

Almost surely, 2^42899266 is an apocalyptic number.

42899266 is a deficient number, since it is larger than the sum of its proper divisors (21449636).

42899266 is a wasteful number, since it uses less digits than its factorization.

42899266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21449635.

The product of its digits is 373248, while the sum is 46.

The square root of 42899266 is about 6549.7531251185. The cubic root of 42899266 is about 350.0660174789.

The spelling of 42899266 in words is "forty-two million, eight hundred ninety-nine thousand, two hundred sixty-six".