42435330 has 64 divisors (see below), whose sum is σ = 116916480. Its totient is φ = 9656064.

The previous prime is 42435319. The next prime is 42435331. The reversal of 42435330 is 3353424.

It is a self number, because there is not a number n which added to its sum of digits gives 42435330.

It is not an unprimeable number, because it can be changed into a prime (42435331) 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, 83116 + ... + 83624.

It is an arithmetic number, because the mean of its divisors is an integer number (1826820).

Almost surely, 2^42435330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42435330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58458240).

42435330 is an abundant number, since it is smaller than the sum of its proper divisors (74481150).

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

42435330 is a wasteful number, since it uses less digits than its factorization.

42435330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923.

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 42435330 is about 6514.2405543547. The cubic root of 42435330 is about 348.7995060822.

Adding to 42435330 its reverse (3353424), we get a palindrome (45788754).

The spelling of 42435330 in words is "forty-two million, four hundred thirty-five thousand, three hundred thirty".