48689919840 has 192 divisors, whose sum is σ = 161641751040. Its totient is φ = 12285665280.

The previous prime is 48689919797. The next prime is 48689919857. The reversal of 48689919840 is 4891998684.

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 31 ways as a sum of consecutive naturals, for example, 8816280 + ... + 8821800.

It is an arithmetic number, because the mean of its divisors is an integer number (841884120).

Almost surely, 2^48689919840 is an apocalyptic number.

48689919840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48689919840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80820875520).

48689919840 is an abundant number, since it is smaller than the sum of its proper divisors (112951831200).

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

48689919840 is a wasteful number, since it uses less digits than its factorization.

48689919840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6525 (or 6517 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 66.

The spelling of 48689919840 in words is "forty-eight billion, six hundred eighty-nine million, nine hundred nineteen thousand, eight hundred forty".