42434430 has 16 divisors (see below), whose sum is σ = 101842704. Its totient is φ = 11315840.

The previous prime is 42434423. The next prime is 42434459. The reversal of 42434430 is 3443424.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42434430.

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, 707211 + ... + 707270.

It is an arithmetic number, because the mean of its divisors is an integer number (6365169).

Almost surely, 2^42434430 is an apocalyptic number.

42434430 is an abundant number, since it is smaller than the sum of its proper divisors (59408274).

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

42434430 is a wasteful number, since it uses less digits than its factorization.

42434430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414491.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 42434430 is about 6514.1714745622. The cubic root of 42434430 is about 348.7970401984.

Adding to 42434430 its reverse (3443424), we get a palindrome (45877854).

The spelling of 42434430 in words is "forty-two million, four hundred thirty-four thousand, four hundred thirty".