42089841 has 32 divisors (see below), whose sum is σ = 66718080. Its totient is φ = 26131968.

The previous prime is 42089837. The next prime is 42089849. The reversal of 42089841 is 14898024.

It is not a de Polignac number, because 42089841 - 2² = 42089837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42089796 and 42089805.

It is not an unprimeable number, because it can be changed into a prime (42089849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48685 + ... + 49541.

It is an arithmetic number, because the mean of its divisors is an integer number (2084940).

Almost surely, 2^42089841 is an apocalyptic number.

It is an amenable number.

42089841 is a deficient number, since it is larger than the sum of its proper divisors (24628239).

42089841 is a wasteful number, since it uses less digits than its factorization.

42089841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990 (or 984 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 42089841 is about 6487.6683793178. The cubic root of 42089841 is about 347.8503369522.

The spelling of 42089841 in words is "forty-two million, eighty-nine thousand, eight hundred forty-one".