42544504 has 8 divisors (see below), whose sum is σ = 79770960. Its totient is φ = 21272248.

The previous prime is 42544499. The next prime is 42544507. The reversal of 42544504 is 40544524.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42544507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2659024 + ... + 2659039.

It is an arithmetic number, because the mean of its divisors is an integer number (9971370).

Almost surely, 2^42544504 is an apocalyptic number.

It is an amenable number.

42544504 is a deficient number, since it is larger than the sum of its proper divisors (37226456).

42544504 is a wasteful number, since it uses less digits than its factorization.

42544504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5318069 (or 5318065 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 42544504 is about 6522.6148130945. The cubic root of 42544504 is about 349.0983704772.

The spelling of 42544504 in words is "forty-two million, five hundred forty-four thousand, five hundred four".