49418390 has 32 divisors (see below), whose sum is σ = 101908800. Its totient is φ = 16902144.

The previous prime is 49418381. The next prime is 49418393. The reversal of 49418390 is 9381494.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49418393) 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, 46586 + ... + 47634.

It is an arithmetic number, because the mean of its divisors is an integer number (3184650).

Almost surely, 2^49418390 is an apocalyptic number.

49418390 is an abundant number, since it is smaller than the sum of its proper divisors (52490410).

49418390 is a wasteful number, since it uses less digits than its factorization.

49418390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 49418390 is about 7029.8214771074. The cubic root of 49418390 is about 366.9691287602.

It can be divided in two parts, 4941 and 8390, that added together give a palindrome (13331).

The spelling of 49418390 in words is "forty-nine million, four hundred eighteen thousand, three hundred ninety".