49157418 has 32 divisors (see below), whose sum is σ = 100310400. Its totient is φ = 16056320.

The previous prime is 49157327. The next prime is 49157419. The reversal of 49157418 is 81475194.

49157418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49157419) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 109258 + ... + 109706.

It is an arithmetic number, because the mean of its divisors is an integer number (3134700).

Almost surely, 2^49157418 is an apocalyptic number.

49157418 is an abundant number, since it is smaller than the sum of its proper divisors (51152982).

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

49157418 is a wasteful number, since it uses less digits than its factorization.

49157418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782.

The product of its digits is 40320, while the sum is 39.

The square root of 49157418 is about 7011.2351265665. The cubic root of 49157418 is about 366.3220164580.

The spelling of 49157418 in words is "forty-nine million, one hundred fifty-seven thousand, four hundred eighteen".