15448048616 has 128 divisors (see below), whose sum is σ = 38958796800. Its totient is φ = 5545946880.

The previous prime is 15448048613. The next prime is 15448048621. The reversal of 15448048616 is 61684084451.

It is not an unprimeable number, because it can be changed into a prime (15448048613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5756411 + ... + 5759093.

It is an arithmetic number, because the mean of its divisors is an integer number (304365600).

Almost surely, 2^15448048616 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 15448048616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19479398400).

15448048616 is an abundant number, since it is smaller than the sum of its proper divisors (23510748184).

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

15448048616 is a wasteful number, since it uses less digits than its factorization.

15448048616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3439 (or 3435 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 47.

The spelling of 15448048616 in words is "fifteen billion, four hundred forty-eight million, forty-eight thousand, six hundred sixteen".