49118918 has 4 divisors (see below), whose sum is σ = 73678380. Its totient is φ = 24559458.

The previous prime is 49118879. The next prime is 49118921. The reversal of 49118918 is 81981194.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 12279728 + ... + 12279731.

It is an arithmetic number, because the mean of its divisors is an integer number (18419595).

Almost surely, 2^49118918 is an apocalyptic number.

49118918 is a deficient number, since it is larger than the sum of its proper divisors (24559462).

49118918 is a wasteful number, since it uses less digits than its factorization.

49118918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24559461.

The product of its digits is 20736, while the sum is 41.

The square root of 49118918 is about 7008.4889954968. The cubic root of 49118918 is about 366.2263572355.

The spelling of 49118918 in words is "forty-nine million, one hundred eighteen thousand, nine hundred eighteen".