49163868 has 144 divisors (see below), whose sum is σ = 146364960. Its totient is φ = 14183424.

The previous prime is 49163839. The next prime is 49163869. The reversal of 49163868 is 86836194.

49163868 is a `hidden beast` number, since 4 + 9 + 1 + 638 + 6 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49163869) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 506796 + ... + 506892.

Almost surely, 2^49163868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49163868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73182480).

49163868 is an abundant number, since it is smaller than the sum of its proper divisors (97201092).

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

49163868 is a wasteful number, since it uses less digits than its factorization.

49163868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 134 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 49163868 is about 7011.6950874949. The cubic root of 49163868 is about 366.3380375983.

The spelling of 49163868 in words is "forty-nine million, one hundred sixty-three thousand, eight hundred sixty-eight".