42636032 has 36 divisors (see below), whose sum is σ = 88055520. Its totient is φ = 20579328.

The previous prime is 42636031. The next prime is 42636071. The reversal of 42636032 is 23063624.

It is a junction number, because it is equal to n+sod(n) for n = 42635992 and 42636010.

It is not an unprimeable number, because it can be changed into a prime (42636031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4553 + ... + 10295.

Almost surely, 2^42636032 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 42636032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44027760).

42636032 is an abundant number, since it is smaller than the sum of its proper divisors (45419488).

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

42636032 is an equidigital number, since it uses as much as digits as its factorization.

42636032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5788 (or 5774 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 42636032 is about 6529.6272481666. The cubic root of 42636032 is about 349.3485351011.

Adding to 42636032 its reverse (23063624), we get a palindrome (65699656).

The spelling of 42636032 in words is "forty-two million, six hundred thirty-six thousand, thirty-two".