42910056 has 96 divisors (see below), whose sum is σ = 139838400. Its totient is φ = 11612160.

The previous prime is 42910031. The next prime is 42910061. The reversal of 42910056 is 65001924.

It is a super-3 number, since 3×42910056³ (a number of 24 digits) contains 333 as substring.

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 in 23 ways as a sum of consecutive naturals, for example, 7336 + ... + 11816.

It is an arithmetic number, because the mean of its divisors is an integer number (1456650).

Almost surely, 2^42910056 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 42910056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69919200).

42910056 is an abundant number, since it is smaller than the sum of its proper divisors (96928344).

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

42910056 is a wasteful number, since it uses less digits than its factorization.

42910056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4519 (or 4512 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 42910056 is about 6550.5767684991. The cubic root of 42910056 is about 350.0953644899.

The spelling of 42910056 in words is "forty-two million, nine hundred ten thousand, fifty-six".