42469642 has 8 divisors (see below), whose sum is σ = 64906596. Its totient is φ = 20834112.

The previous prime is 42469639. The next prime is 42469663. The reversal of 42469642 is 24696424.

It can be written as a sum of positive squares in 2 ways, for example, as 39677401 + 2792241 = 6299^2 + 1671^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200223 + ... + 200434.

Almost surely, 2^42469642 is an apocalyptic number.

42469642 is a deficient number, since it is larger than the sum of its proper divisors (22436954).

42469642 is a wasteful number, since it uses less digits than its factorization.

42469642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400712.

The product of its digits is 82944, while the sum is 37.

The square root of 42469642 is about 6516.8736369520. The cubic root of 42469642 is about 348.8934905399.

The spelling of 42469642 in words is "forty-two million, four hundred sixty-nine thousand, six hundred forty-two".