49642842 has 16 divisors (see below), whose sum is σ = 102488832. Its totient is φ = 16013760.

The previous prime is 49642829. The next prime is 49642871. The reversal of 49642842 is 24824694.

It is a self number, because there is not a number n which added to its sum of digits gives 49642842.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133263 + ... + 133634.

It is an arithmetic number, because the mean of its divisors is an integer number (6405552).

Almost surely, 2^49642842 is an apocalyptic number.

49642842 is an abundant number, since it is smaller than the sum of its proper divisors (52845990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49642842 is a wasteful number, since it uses less digits than its factorization.

49642842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266933.

The product of its digits is 110592, while the sum is 39.

The square root of 49642842 is about 7045.7676657693. The cubic root of 49642842 is about 367.5238653575.

The spelling of 49642842 in words is "forty-nine million, six hundred forty-two thousand, eight hundred forty-two".