15452880 has 120 divisors (see below), whose sum is σ = 50237856. Its totient is φ = 3928320.

The previous prime is 15452873. The next prime is 15452893. The reversal of 15452880 is 8825451.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230607 + ... + 230673.

Almost surely, 2^15452880 is an apocalyptic number.

15452880 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 15452880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25118928).

15452880 is an abundant number, since it is smaller than the sum of its proper divisors (34784976).

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

15452880 is a wasteful number, since it uses less digits than its factorization.

15452880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 15452880 is about 3931.0151360685. The cubic root of 15452880 is about 249.0786351857.

The spelling of 15452880 in words is "fifteen million, four hundred fifty-two thousand, eight hundred eighty".