42524432 has 20 divisors (see below), whose sum is σ = 86728080. Its totient is φ = 20143008.

The previous prime is 42524407. The next prime is 42524441. The reversal of 42524432 is 23442524.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69638 + ... + 70245.

It is an arithmetic number, because the mean of its divisors is an integer number (4336404).

Almost surely, 2^42524432 is an apocalyptic number.

It is an amenable number.

42524432 is an abundant number, since it is smaller than the sum of its proper divisors (44203648).

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

42524432 is a wasteful number, since it uses less digits than its factorization.

42524432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139910 (or 139904 counting only the distinct ones).

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

The square root of 42524432 is about 6521.0759848356. The cubic root of 42524432 is about 349.0434616635.

Adding to 42524432 its reverse (23442524), we get a palindrome (65966956).

The spelling of 42524432 in words is "forty-two million, five hundred twenty-four thousand, four hundred thirty-two".