15480 has 48 divisors (see below), whose sum is σ = 51480. Its totient is φ = 4032.

The previous prime is 15473. The next prime is 15493. The reversal of 15480 is 8451.

15480 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

15480 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 339 + ... + 381.

2¹⁵⁴⁸⁰ is an apocalyptic number.

15480 is a gapful number since it is divisible by the number (10) 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 15480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25740).

15480 is an abundant number, since it is smaller than the sum of its proper divisors (36000).

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

15480 is a wasteful number, since it uses less digits than its factorization.

15480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 15480 is about 124.4186481200. The cubic root of 15480 is about 24.9224262079.

The spelling of 15480 in words is "fifteen thousand, four hundred eighty".