42254430 has 32 divisors (see below), whose sum is σ = 101582208. Its totient is φ = 11248800.

The previous prime is 42254417. The next prime is 42254437. The reversal of 42254430 is 3445224.

It is a self number, because there is not a number n which added to its sum of digits gives 42254430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42254437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32085 + ... + 33375.

It is an arithmetic number, because the mean of its divisors is an integer number (3174444).

Almost surely, 2^42254430 is an apocalyptic number.

42254430 is an abundant number, since it is smaller than the sum of its proper divisors (59327778).

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

42254430 is a wasteful number, since it uses less digits than its factorization.

42254430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 42254430 is about 6500.3407602986. The cubic root of 42254430 is about 348.3031609792.

Adding to 42254430 its reverse (3445224), we get a palindrome (45699654).

The spelling of 42254430 in words is "forty-two million, two hundred fifty-four thousand, four hundred thirty".