15800480 has 96 divisors (see below), whose sum is σ = 40851216. Its totient is φ = 5750784.

The previous prime is 15800467. The next prime is 15800513. The reversal of 15800480 is 8400851.

It can be written as a sum of positive squares in 8 ways, for example, as 10942864 + 4857616 = 3308^2 + 2204^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100562 + ... + 100718.

Almost surely, 2^15800480 is an apocalyptic number.

15800480 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 15800480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20425608).

15800480 is an abundant number, since it is smaller than the sum of its proper divisors (25050736).

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

15800480 is a wasteful number, since it uses less digits than its factorization.

15800480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 15800480 is about 3974.9817609644. The cubic root of 15800480 is about 250.9324114456.

The spelling of 15800480 in words is "fifteen million, eight hundred thousand, four hundred eighty".