42490335 has 16 divisors (see below), whose sum is σ = 68213376. Its totient is φ = 22585248.

The previous prime is 42490333. The next prime is 42490337. The reversal of 42490335 is 53309424.

It is an interprime number because it is at equal distance from previous prime (42490333) and next prime (42490337).

It is not a de Polignac number, because 42490335 - 2¹ = 42490333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42490333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9 + ... + 9218.

It is an arithmetic number, because the mean of its divisors is an integer number (4263336).

Almost surely, 2^42490335 is an apocalyptic number.

42490335 is a deficient number, since it is larger than the sum of its proper divisors (25723041).

42490335 is a wasteful number, since it uses less digits than its factorization.

42490335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9542.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 42490335 is about 6518.4610913927. The cubic root of 42490335 is about 348.9501465449.

Adding to 42490335 its reverse (53309424), we get a palindrome (95799759).

The spelling of 42490335 in words is "forty-two million, four hundred ninety thousand, three hundred thirty-five".