42334432 has 120 divisors (see below), whose sum is σ = 105877800. Its totient is φ = 16595712.

The previous prime is 42334429. The next prime is 42334459. The reversal of 42334432 is 23443324.

It is a junction number, because it is equal to n+sod(n) for n = 42334397 and 42334406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1459794 + ... + 1459822.

It is an arithmetic number, because the mean of its divisors is an integer number (882315).

Almost surely, 2^42334432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42334432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52938900).

42334432 is an abundant number, since it is smaller than the sum of its proper divisors (63543368).

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

42334432 is an equidigital number, since it uses as much as digits as its factorization.

42334432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 57 counting only the distinct ones).

The product of its digits is 6912, while the sum is 25.

The square root of 42334432 is about 6506.4915276976. The cubic root of 42334432 is about 348.5228411565.

Adding to 42334432 its reverse (23443324), we get a palindrome (65777756).

The spelling of 42334432 in words is "forty-two million, three hundred thirty-four thousand, four hundred thirty-two".