42819494 has 16 divisors (see below), whose sum is σ = 66493440. Its totient is φ = 20659080.

The previous prime is 42819433. The next prime is 42819509. The reversal of 42819494 is 49491824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26687 + ... + 28245.

It is an arithmetic number, because the mean of its divisors is an integer number (4155840).

Almost surely, 2^42819494 is an apocalyptic number.

42819494 is a deficient number, since it is larger than the sum of its proper divisors (23673946).

42819494 is a wasteful number, since it uses less digits than its factorization.

42819494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035.

The product of its digits is 82944, while the sum is 41.

The square root of 42819494 is about 6543.6605963329. The cubic root of 42819494 is about 349.8488980410.

The spelling of 42819494 in words is "forty-two million, eight hundred nineteen thousand, four hundred ninety-four".