42544304 has 40 divisors (see below), whose sum is σ = 90535872. Its totient is φ = 19206720.

The previous prime is 42544303. The next prime is 42544309. The reversal of 42544304 is 40344524.

It is not an unprimeable number, because it can be changed into a prime (42544303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27947 + ... + 29429.

Almost surely, 2^42544304 is an apocalyptic number.

42544304 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42544304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45267936).

42544304 is an abundant number, since it is smaller than the sum of its proper divisors (47991568).

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

42544304 is a wasteful number, since it uses less digits than its factorization.

42544304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665 (or 1659 counting only the distinct ones).

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

The square root of 42544304 is about 6522.5994818017. The cubic root of 42544304 is about 349.0978234439.

Adding to 42544304 its reverse (40344524), we get a palindrome (82888828).

It can be divided in two parts, 4254 and 4304, that added together give a palindrome (8558).

The spelling of 42544304 in words is "forty-two million, five hundred forty-four thousand, three hundred four".