15249382720 has 224 divisors, whose sum is σ = 44518844160. Its totient is φ = 4895784960.

The previous prime is 15249382699. The next prime is 15249382747. The reversal of 15249382720 is 2728394251.

15249382720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1045236 + ... + 1059724.

It is an arithmetic number, because the mean of its divisors is an integer number (198744840).

Almost surely, 2^15249382720 is an apocalyptic number.

15249382720 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 15249382720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22259422080).

15249382720 is an abundant number, since it is smaller than the sum of its proper divisors (29269461440).

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

15249382720 is a wasteful number, since it uses less digits than its factorization.

15249382720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14553 (or 14543 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 15249382720 in words is "fifteen billion, two hundred forty-nine million, three hundred eighty-two thousand, seven hundred twenty".