42852216 has 128 divisors (see below), whose sum is σ = 124104960. Its totient is φ = 12211200.

The previous prime is 42852193. The next prime is 42852217. The reversal of 42852216 is 61225824.

It is a super-2 number, since 2×42852216² = 3672624832221312, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42852217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 400435 + ... + 400541.

It is an arithmetic number, because the mean of its divisors is an integer number (969570).

Almost surely, 2^42852216 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 42852216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62052480).

42852216 is an abundant number, since it is smaller than the sum of its proper divisors (81252744).

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

42852216 is a wasteful number, since it uses less digits than its factorization.

42852216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 201 counting only the distinct ones).

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

The square root of 42852216 is about 6546.1604013345. The cubic root of 42852216 is about 349.9379917360.

It can be divided in two parts, 42 and 852216, that added together give a palindrome (852258).

The spelling of 42852216 in words is "forty-two million, eight hundred fifty-two thousand, two hundred sixteen".