48449688320 has 144 divisors (see below), whose sum is σ = 127531520928. Its totient is φ = 17488773120.

The previous prime is 48449688311. The next prime is 48449688323. The reversal of 48449688320 is 2388694484.

It is not an unprimeable number, because it can be changed into a prime (48449688323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1916402 + ... + 1941518.

It is an arithmetic number, because the mean of its divisors is an integer number (885635562).

Almost surely, 2^48449688320 is an apocalyptic number.

48449688320 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 48449688320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63765760464).

48449688320 is an abundant number, since it is smaller than the sum of its proper divisors (79081832608).

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

48449688320 is a wasteful number, since it uses less digits than its factorization.

48449688320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25286 (or 25272 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 56.

The spelling of 48449688320 in words is "forty-eight billion, four hundred forty-nine million, six hundred eighty-eight thousand, three hundred twenty".