42816056 has 8 divisors (see below), whose sum is σ = 80280120. Its totient is φ = 21408024.

The previous prime is 42816029. The next prime is 42816061. The reversal of 42816056 is 65061824.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2675996 + ... + 2676011.

It is an arithmetic number, because the mean of its divisors is an integer number (10035015).

Almost surely, 2^42816056 is an apocalyptic number.

It is an amenable number.

42816056 is a deficient number, since it is larger than the sum of its proper divisors (37464064).

42816056 is a wasteful number, since it uses less digits than its factorization.

42816056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5352013 (or 5352009 counting only the distinct ones).

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

The square root of 42816056 is about 6543.3978940609. The cubic root of 42816056 is about 349.8395346055.

The spelling of 42816056 in words is "forty-two million, eight hundred sixteen thousand, fifty-six".