15480516 has 48 divisors (see below), whose sum is σ = 38931200. Its totient is φ = 4771872.

The previous prime is 15480511. The next prime is 15480527. The reversal of 15480516 is 61508451.

15480516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (15480511) 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, 9015 + ... + 10593.

Almost surely, 2^15480516 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 15480516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19465600).

15480516 is an abundant number, since it is smaller than the sum of its proper divisors (23450684).

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

15480516 is a wasteful number, since it uses less digits than its factorization.

15480516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648 (or 1646 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 15480516 is about 3934.5286884200. The cubic root of 15480516 is about 249.2270312068.

Adding to 15480516 its reverse (61508451), we get a palindrome (76988967).

The spelling of 15480516 in words is "fifteen million, four hundred eighty thousand, five hundred sixteen".