48728545668 has 72 divisors (see below), whose sum is σ = 134614509120. Its totient is φ = 14739648960.

The previous prime is 48728545651. The next prime is 48728545669. The reversal of 48728545668 is 86654582784.

48728545668 is a `hidden beast` number, since 4 + 8 + 7 + 28 + 545 + 6 + 68 = 666.

It is not an unprimeable number, because it can be changed into a prime (48728545669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110113 + ... + 331031.

It is an arithmetic number, because the mean of its divisors is an integer number (1869645960).

Almost surely, 2^48728545668 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 48728545668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67307254560).

48728545668 is an abundant number, since it is smaller than the sum of its proper divisors (85885963452).

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

48728545668 is a wasteful number, since it uses less digits than its factorization.

48728545668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221497 (or 221492 counting only the distinct ones).

The product of its digits is 103219200, while the sum is 63.

The spelling of 48728545668 in words is "forty-eight billion, seven hundred twenty-eight million, five hundred forty-five thousand, six hundred sixty-eight".