42490458 has 24 divisors (see below), whose sum is σ = 92196468. Its totient is φ = 14142912.

The previous prime is 42490421. The next prime is 42490477. The reversal of 42490458 is 85409424.

It can be written as a sum of positive squares in 2 ways, for example, as 42419169 + 71289 = 6513^2 + 267^2 .

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 11 ways as a sum of consecutive naturals, for example, 15916 + ... + 18392.

Almost surely, 2^42490458 is an apocalyptic number.

42490458 is an abundant number, since it is smaller than the sum of its proper divisors (49706010).

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

42490458 is a wasteful number, since it uses less digits than its factorization.

42490458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3438 (or 3435 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 42490458 is about 6518.4705261280. The cubic root of 42490458 is about 348.9504832554.

The spelling of 42490458 in words is "forty-two million, four hundred ninety thousand, four hundred fifty-eight".