42085892 has 12 divisors (see below), whose sum is σ = 74380236. Its totient is φ = 20834400.

The previous prime is 42085877. The next prime is 42085919. The reversal of 42085892 is 29858024.

It can be written as a sum of positive squares in 2 ways, for example, as 28366276 + 13719616 = 5326^2 + 3704^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51683 + ... + 52490.

It is an arithmetic number, because the mean of its divisors is an integer number (6198353).

Almost surely, 2^42085892 is an apocalyptic number.

It is an amenable number.

42085892 is a deficient number, since it is larger than the sum of its proper divisors (32294344).

42085892 is a wasteful number, since it uses less digits than its factorization.

42085892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104278 (or 104276 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 42085892 is about 6487.3640255500. The cubic root of 42085892 is about 347.8394578112.

The spelling of 42085892 in words is "forty-two million, eighty-five thousand, eight hundred ninety-two".