42528218 has 8 divisors (see below), whose sum is σ = 65850240. Its totient is φ = 20578140.

The previous prime is 42528197. The next prime is 42528221. The reversal of 42528218 is 81282524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342908 + ... + 343031.

It is an arithmetic number, because the mean of its divisors is an integer number (8231280).

Almost surely, 2^42528218 is an apocalyptic number.

42528218 is a deficient number, since it is larger than the sum of its proper divisors (23322022).

42528218 is a wasteful number, since it uses less digits than its factorization.

42528218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685972.

The product of its digits is 10240, while the sum is 32.

The square root of 42528218 is about 6521.3662678920. The cubic root of 42528218 is about 349.0538199389.

The spelling of 42528218 in words is "forty-two million, five hundred twenty-eight thousand, two hundred eighteen".