48921866816 has 56 divisors (see below), whose sum is σ = 100258717440. Its totient is φ = 23660582400.

The previous prime is 48921866813. The next prime is 48921866821. The reversal of 48921866816 is 61866812984.

It is not an unprimeable number, because it can be changed into a prime (48921866813) by changing a digit.

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, 5413790 + ... + 5422818.

It is an arithmetic number, because the mean of its divisors is an integer number (1790334240).

Almost surely, 2^48921866816 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 48921866816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50129358720).

48921866816 is an abundant number, since it is smaller than the sum of its proper divisors (51336850624).

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

48921866816 is a wasteful number, since it uses less digits than its factorization.

48921866816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11803 (or 11793 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 59.

The spelling of 48921866816 in words is "forty-eight billion, nine hundred twenty-one million, eight hundred sixty-six thousand, eight hundred sixteen".