42264458 has 4 divisors (see below), whose sum is σ = 63396690. Its totient is φ = 21132228.

The previous prime is 42264451. The next prime is 42264463. The reversal of 42264458 is 85446224.

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., 30724849 + 11539609 = 5543^2 + 3397^2 .

It is not an unprimeable number, because it can be changed into a prime (42264451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10566113 + ... + 10566116.

Almost surely, 2^42264458 is an apocalyptic number.

42264458 is a deficient number, since it is larger than the sum of its proper divisors (21132232).

42264458 is a wasteful number, since it uses less digits than its factorization.

42264458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21132231.

The product of its digits is 61440, while the sum is 35.

The square root of 42264458 is about 6501.1120587173. The cubic root of 42264458 is about 348.3307123927.

The spelling of 42264458 in words is "forty-two million, two hundred sixty-four thousand, four hundred fifty-eight".