42690108 has 24 divisors (see below), whose sum is σ = 100976848. Its totient is φ = 14034816.

The previous prime is 42690103. The next prime is 42690127. The reversal of 42690108 is 80109624.

42690108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42690103) 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 7 ways as a sum of consecutive naturals, for example, 23491 + ... + 25242.

Almost surely, 2^42690108 is an apocalyptic number.

It is an amenable number.

42690108 is an abundant number, since it is smaller than the sum of its proper divisors (58286740).

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

42690108 is a wasteful number, since it uses less digits than its factorization.

42690108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48813 (or 48811 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 42690108 is about 6533.7667543309. The cubic root of 42690108 is about 349.4961675876.

The spelling of 42690108 in words is "forty-two million, six hundred ninety thousand, one hundred eight".