42805024 has 48 divisors (see below), whose sum is σ = 92594880. Its totient is φ = 19388160.

The previous prime is 42805019. The next prime is 42805051. The reversal of 42805024 is 42050824.

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 42805024.

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, 12454 + ... + 15514.

It is an arithmetic number, because the mean of its divisors is an integer number (1929060).

Almost surely, 2^42805024 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 42805024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46297440).

42805024 is an abundant number, since it is smaller than the sum of its proper divisors (49789856).

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

42805024 is a wasteful number, since it uses less digits than its factorization.

42805024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113 (or 3105 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 42805024 is about 6542.5548526550. The cubic root of 42805024 is about 349.8094854322.

Adding to 42805024 its reverse (42050824), we get a palindrome (84855848).

The spelling of 42805024 in words is "forty-two million, eight hundred five thousand, twenty-four".