42056616 has 64 divisors (see below), whose sum is σ = 122227200. Its totient is φ = 11809728.

The previous prime is 42056603. The next prime is 42056621. The reversal of 42056616 is 61665024.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7791 + ... + 12033.

It is an arithmetic number, because the mean of its divisors is an integer number (1909800).

Almost surely, 2^42056616 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 42056616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61113600).

42056616 is an abundant number, since it is smaller than the sum of its proper divisors (80170584).

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

42056616 is a wasteful number, since it uses less digits than its factorization.

42056616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4318 (or 4314 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 42056616 is about 6485.1072466074. The cubic root of 42056616 is about 347.7587838239.

The spelling of 42056616 in words is "forty-two million, fifty-six thousand, six hundred sixteen".