42254432 has 24 divisors (see below), whose sum is σ = 90751752. Its totient is φ = 19206400.

The previous prime is 42254417. The next prime is 42254437. The reversal of 42254432 is 23445224.

It is a happy number.

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 pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59669 + ... + 60372.

It is an arithmetic number, because the mean of its divisors is an integer number (3781323).

Almost surely, 2^42254432 is an apocalyptic number.

It is an amenable number.

42254432 is an abundant number, since it is smaller than the sum of its proper divisors (48497320).

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

42254432 is a wasteful number, since it uses less digits than its factorization.

42254432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120062 (or 120054 counting only the distinct ones).

The product of its digits is 7680, while the sum is 26.

The square root of 42254432 is about 6500.3409141367. The cubic root of 42254432 is about 348.3031664745.

Adding to 42254432 its reverse (23445224), we get a palindrome (65699656).

The spelling of 42254432 in words is "forty-two million, two hundred fifty-four thousand, four hundred thirty-two".