42315056 has 40 divisors (see below), whose sum is σ = 95112960. Its totient is φ = 17861184.

The previous prime is 42315047. The next prime is 42315059. The reversal of 42315056 is 65051324.

It is not an unprimeable number, because it can be changed into a prime (42315059) 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 7 ways as a sum of consecutive naturals, for example, 4685 + ... + 10323.

It is an arithmetic number, because the mean of its divisors is an integer number (2377824).

Almost surely, 2^42315056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42315056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47556480).

42315056 is an abundant number, since it is smaller than the sum of its proper divisors (52797904).

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

42315056 is a wasteful number, since it uses less digits than its factorization.

42315056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5721 (or 5715 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 42315056 is about 6505.0023827820. The cubic root of 42315056 is about 348.4696613627.

The spelling of 42315056 in words is "forty-two million, three hundred fifteen thousand, fifty-six".