42816548 has 24 divisors (see below), whose sum is σ = 77246400. Its totient is φ = 20750688.

The previous prime is 42816541. The next prime is 42816559. The reversal of 42816548 is 84561824.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42816541) 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, 64643 + ... + 65301.

It is an arithmetic number, because the mean of its divisors is an integer number (3218600).

Almost surely, 2^42816548 is an apocalyptic number.

It is an amenable number.

42816548 is a deficient number, since it is larger than the sum of its proper divisors (34429852).

42816548 is a wasteful number, since it uses less digits than its factorization.

42816548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139 (or 1137 counting only the distinct ones).

The product of its digits is 61440, while the sum is 38.

The square root of 42816548 is about 6543.4354890990. The cubic root of 42816548 is about 349.8408746043.

The spelling of 42816548 in words is "forty-two million, eight hundred sixteen thousand, five hundred forty-eight".