49118840 has 32 divisors (see below), whose sum is σ = 111505680. Its totient is φ = 19471872.

The previous prime is 49118827. The next prime is 49118851. The reversal of 49118840 is 4881194.

It is a self number, because there is not a number n which added to its sum of digits gives 49118840.

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 in 7 ways as a sum of consecutive naturals, for example, 914 + ... + 9953.

Almost surely, 2^49118840 is an apocalyptic number.

49118840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49118840 is an abundant number, since it is smaller than the sum of its proper divisors (62386840).

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

49118840 is a wasteful number, since it uses less digits than its factorization.

49118840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10991 (or 10987 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 49118840 is about 7008.4834308144. The cubic root of 49118840 is about 366.2261633817.

The spelling of 49118840 in words is "forty-nine million, one hundred eighteen thousand, eight hundred forty".