42490316 has 24 divisors (see below), whose sum is σ = 81285120. Its totient is φ = 19274000.

The previous prime is 42490313. The next prime is 42490333. The reversal of 42490316 is 61309424.

It is not an unprimeable number, because it can be changed into a prime (42490313) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 36341 + ... + 37491.

It is an arithmetic number, because the mean of its divisors is an integer number (3386880).

Almost surely, 2^42490316 is an apocalyptic number.

It is an amenable number.

42490316 is a deficient number, since it is larger than the sum of its proper divisors (38794804).

42490316 is a wasteful number, since it uses less digits than its factorization.

42490316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005 (or 2003 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 42490316 is about 6518.4596339933. The cubic root of 42490316 is about 348.9500945326.

The spelling of 42490316 in words is "forty-two million, four hundred ninety thousand, three hundred sixteen".