42819910 has 32 divisors (see below), whose sum is σ = 88356672. Its totient is φ = 14636160.

The previous prime is 42819893. The next prime is 42819911. The reversal of 42819910 is 1991824.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42819911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28744 + ... + 30196.

It is an arithmetic number, because the mean of its divisors is an integer number (2761146).

Almost surely, 2^42819910 is an apocalyptic number.

42819910 is an abundant number, since it is smaller than the sum of its proper divisors (45536762).

42819910 is a wasteful number, since it uses less digits than its factorization.

42819910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 42819910 is about 6543.6923827454. The cubic root of 42819910 is about 349.8500309881.

The spelling of 42819910 in words is "forty-two million, eight hundred nineteen thousand, nine hundred ten".