42526218 has 96 divisors (see below), whose sum is σ = 109002240. Its totient is φ = 10977120.

The previous prime is 42526217. The next prime is 42526219. The reversal of 42526218 is 81262524.

It is an interprime number because it is at equal distance from previous prime (42526217) and next prime (42526219).

It is not an unprimeable number, because it can be changed into a prime (42526217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 128313 + ... + 128643.

It is an arithmetic number, because the mean of its divisors is an integer number (1135440).

Almost surely, 2^42526218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42526218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54501120).

42526218 is an abundant number, since it is smaller than the sum of its proper divisors (66476022).

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

42526218 is a wasteful number, since it uses less digits than its factorization.

42526218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 385 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 42526218 is about 6521.2129239889. The cubic root of 42526218 is about 349.0483481320.

The spelling of 42526218 in words is "forty-two million, five hundred twenty-six thousand, two hundred eighteen".