42052330 has 8 divisors (see below), whose sum is σ = 75694212. Its totient is φ = 16820928.

The previous prime is 42052319. The next prime is 42052333. The reversal of 42052330 is 3325024.

It can be written as a sum of positive squares in 2 ways, for example, as 41770369 + 281961 = 6463^2 + 531^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 42052298 and 42052307.

It is not an unprimeable number, because it can be changed into a prime (42052333) 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, 2102607 + ... + 2102626.

Almost surely, 2^42052330 is an apocalyptic number.

42052330 is a deficient number, since it is larger than the sum of its proper divisors (33641882).

42052330 is a wasteful number, since it uses less digits than its factorization.

42052330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4205240.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 42052330 is about 6484.7767887569. The cubic root of 42052330 is about 347.7469700284.

Adding to 42052330 its reverse (3325024), we get a palindrome (45377354).

The spelling of 42052330 in words is "forty-two million, fifty-two thousand, three hundred thirty".