42085292 has 12 divisors (see below), whose sum is σ = 73937640. Its totient is φ = 20960256.

The previous prime is 42085291. The next prime is 42085301. The reversal of 42085292 is 29258024.

It is not an unprimeable number, because it can be changed into a prime (42085291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19442 + ... + 21497.

It is an arithmetic number, because the mean of its divisors is an integer number (6161470).

Almost surely, 2^42085292 is an apocalyptic number.

It is an amenable number.

42085292 is a deficient number, since it is larger than the sum of its proper divisors (31852348).

42085292 is a wasteful number, since it uses less digits than its factorization.

42085292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41200 (or 41198 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 42085292 is about 6487.3177816413. The cubic root of 42085292 is about 347.8378048054.

The spelling of 42085292 in words is "forty-two million, eighty-five thousand, two hundred ninety-two".