42490107 has 24 divisors (see below), whose sum is σ = 67773888. Its totient is φ = 25436400.

The previous prime is 42490103. The next prime is 42490109. The reversal of 42490107 is 70109424.

It is a happy number.

42490107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42490107 - 2² = 42490103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42490103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5632 + ... + 10802.

It is an arithmetic number, because the mean of its divisors is an integer number (2823912).

Almost surely, 2^42490107 is an apocalyptic number.

42490107 is a deficient number, since it is larger than the sum of its proper divisors (25283781).

42490107 is a wasteful number, since it uses less digits than its factorization.

42490107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5271 (or 5268 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 42490107 is about 6518.4436025788. The cubic root of 42490107 is about 348.9495223969.

The spelling of 42490107 in words is "forty-two million, four hundred ninety thousand, one hundred seven".