42085312 has 14 divisors (see below), whose sum is σ = 83513168. Its totient is φ = 21042624.

The previous prime is 42085301. The next prime is 42085327. The reversal of 42085312 is 21358024.

It is a super-2 number, since 2×42085312² = 3542346972274688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328728 + ... + 328855.

Almost surely, 2^42085312 is an apocalyptic number.

It is an amenable number.

42085312 is a deficient number, since it is larger than the sum of its proper divisors (41427856).

42085312 is an equidigital number, since it uses as much as digits as its factorization.

42085312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657595 (or 657585 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 42085312 is about 6487.3193231103. The cubic root of 42085312 is about 347.8378599059.

The spelling of 42085312 in words is "forty-two million, eighty-five thousand, three hundred twelve".