42433216 has 56 divisors (see below), whose sum is σ = 98247200. Its totient is φ = 18176256.

The previous prime is 42433201. The next prime is 42433249. The reversal of 42433216 is 61233424.

It is a tau number, because it is divible by the number of its divisors (56).

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20986 + ... + 22918.

Almost surely, 2^42433216 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 42433216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49123600).

42433216 is an abundant number, since it is smaller than the sum of its proper divisors (55813984).

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

42433216 is an equidigital number, since it uses as much as digits as its factorization.

42433216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966 (or 1942 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 42433216 is about 6514.0782924371. The cubic root of 42433216 is about 348.7937139400.

The spelling of 42433216 in words is "forty-two million, four hundred thirty-three thousand, two hundred sixteen".