42010885 has 12 divisors (see below), whose sum is σ = 58644108. Its totient is φ = 28807296.

The previous prime is 42010877. The next prime is 42010897. The reversal of 42010885 is 58801024.

It can be written as a sum of positive squares in 2 ways, for example, as 10099684 + 31911201 = 3178^2 + 5649^2 .

It is not a de Polignac number, because 42010885 - 2³ = 42010877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85492 + ... + 85981.

It is an arithmetic number, because the mean of its divisors is an integer number (4887009).

Almost surely, 2^42010885 is an apocalyptic number.

It is an amenable number.

42010885 is a deficient number, since it is larger than the sum of its proper divisors (16633223).

42010885 is a wasteful number, since it uses less digits than its factorization.

42010885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171492 (or 171485 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 42010885 is about 6481.5804399853. The cubic root of 42010885 is about 347.6326909028.

The spelling of 42010885 in words is "forty-two million, ten thousand, eight hundred eighty-five".