42424490 has 8 divisors (see below), whose sum is σ = 76364100. Its totient is φ = 16969792.

The previous prime is 42424483. The next prime is 42424517. The reversal of 42424490 is 9442424.

It can be written as a sum of positive squares in 2 ways, for example, as 42237001 + 187489 = 6499^2 + 433^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2121215 + ... + 2121234.

Almost surely, 2^42424490 is an apocalyptic number.

42424490 is a deficient number, since it is larger than the sum of its proper divisors (33939610).

42424490 is a wasteful number, since it uses less digits than its factorization.

42424490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4242456.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 42424490 is about 6513.4084779016. The cubic root of 42424490 is about 348.7698035628.

The spelling of 42424490 in words is "forty-two million, four hundred twenty-four thousand, four hundred ninety".