42560056 has 64 divisors (see below), whose sum is σ = 100488960. Its totient is φ = 16552800.

The previous prime is 42560053. The next prime is 42560059. The reversal of 42560056 is 65006524.

It is an interprime number because it is at equal distance from previous prime (42560053) and next prime (42560059).

It is a super-2 number, since 2×42560056² = 3622716733446272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42560053) 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 15 ways as a sum of consecutive naturals, for example, 74251 + ... + 74821.

It is an arithmetic number, because the mean of its divisors is an integer number (1570140).

Almost surely, 2^42560056 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 42560056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50244480).

42560056 is an abundant number, since it is smaller than the sum of its proper divisors (57928904).

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

42560056 is a wasteful number, since it uses less digits than its factorization.

42560056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617 (or 591 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 42560056 is about 6523.8068640940. The cubic root of 42560056 is about 349.1409025393.

The spelling of 42560056 in words is "forty-two million, five hundred sixty thousand, fifty-six".