42030436 has 36 divisors (see below), whose sum is σ = 87569328. Its totient is φ = 17590608.

The previous prime is 42030421. The next prime is 42030437. The reversal of 42030436 is 63403024.

It is not an unprimeable number, because it can be changed into a prime (42030437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5935 + ... + 10921.

Almost surely, 2^42030436 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 42030436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43784664).

42030436 is an abundant number, since it is smaller than the sum of its proper divisors (45538892).

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

42030436 is a wasteful number, since it uses less digits than its factorization.

42030436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5048 (or 5039 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 42030436 is about 6483.0884615282. The cubic root of 42030436 is about 347.6866095692.

The spelling of 42030436 in words is "forty-two million, thirty thousand, four hundred thirty-six".