49403018 has 16 divisors (see below), whose sum is σ = 85214400. Its totient is φ = 21041856.

The previous prime is 49402999. The next prime is 49403047. The reversal of 49403018 is 81030494.

49403018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8543 + ... + 13106.

It is an arithmetic number, because the mean of its divisors is an integer number (5325900).

Almost surely, 2^49403018 is an apocalyptic number.

49403018 is a deficient number, since it is larger than the sum of its proper divisors (35811382).

49403018 is a wasteful number, since it uses less digits than its factorization.

49403018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21821.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 49403018 is about 7028.7280499390. The cubic root of 49403018 is about 366.9310752174.

The spelling of 49403018 in words is "forty-nine million, four hundred three thousand, eighteen".