15928885248 has 128 divisors (see below), whose sum is σ = 43854973440. Its totient is φ = 5137367040.

The previous prime is 15928885243. The next prime is 15928885289. The reversal of 15928885248 is 84258882951.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 15928885191 and 15928885200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15928885243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3044811 + ... + 3050037.

It is an arithmetic number, because the mean of its divisors is an integer number (342616980).

Almost surely, 2^15928885248 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 15928885248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21927486720).

15928885248 is an abundant number, since it is smaller than the sum of its proper divisors (27926088192).

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

15928885248 is an frugal number, since it uses more digits than its factorization.

15928885248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5291 (or 5263 counting only the distinct ones).

The product of its digits is 14745600, while the sum is 60.

The spelling of 15928885248 in words is "fifteen billion, nine hundred twenty-eight million, eight hundred eighty-five thousand, two hundred forty-eight".