42037856 has 24 divisors (see below), whose sum is σ = 94585680. Its totient is φ = 18016128.

The previous prime is 42037847. The next prime is 42037867. The reversal of 42037856 is 65873024.

It is a happy number.

It is a congruent number.

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, 93611 + ... + 94058.

It is an arithmetic number, because the mean of its divisors is an integer number (3941070).

Almost surely, 2^42037856 is an apocalyptic number.

It is an amenable number.

42037856 is an abundant number, since it is smaller than the sum of its proper divisors (52547824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42037856 is a wasteful number, since it uses less digits than its factorization.

42037856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187686 (or 187678 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 42037856 is about 6483.6606943917. The cubic root of 42037856 is about 347.7070684168.

The spelling of 42037856 in words is "forty-two million, thirty-seven thousand, eight hundred fifty-six".