42065562 has 64 divisors (see below), whose sum is σ = 106251264. Its totient is φ = 10784640.

The previous prime is 42065561. The next prime is 42065581. The reversal of 42065562 is 26556024.

42065562 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42065561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37798 + ... + 38894.

It is an arithmetic number, because the mean of its divisors is an integer number (1660176).

Almost surely, 2^42065562 is an apocalyptic number.

42065562 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 42065562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53125632).

42065562 is an abundant number, since it is smaller than the sum of its proper divisors (64185702).

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

42065562 is a wasteful number, since it uses less digits than its factorization.

42065562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 42065562 is about 6485.7969440925. The cubic root of 42065562 is about 347.7834397110.

The spelling of 42065562 in words is "forty-two million, sixty-five thousand, five hundred sixty-two".