42819808 has 24 divisors (see below), whose sum is σ = 84678048. Its totient is φ = 21314304.

The previous prime is 42819797. The next prime is 42819811. The reversal of 42819808 is 80891824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4585 + ... + 10327.

It is an arithmetic number, because the mean of its divisors is an integer number (3528252).

Almost surely, 2^42819808 is an apocalyptic number.

It is an amenable number.

42819808 is a deficient number, since it is larger than the sum of its proper divisors (41858240).

42819808 is a wasteful number, since it uses less digits than its factorization.

42819808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5986 (or 5978 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 42819808 is about 6543.6845889758. The cubic root of 42819808 is about 349.8497531989.

The spelling of 42819808 in words is "forty-two million, eight hundred nineteen thousand, eight hundred eight".