15028868840 has 96 divisors (see below), whose sum is σ = 35433054720. Its totient is φ = 5736534144.

The previous prime is 15028868837. The next prime is 15028868861. The reversal of 15028868840 is 4886882051.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17414249 + ... + 17415111.

It is an arithmetic number, because the mean of its divisors is an integer number (369094320).

Almost surely, 2^15028868840 is an apocalyptic number.

15028868840 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 15028868840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17716527360).

15028868840 is an abundant number, since it is smaller than the sum of its proper divisors (20404185880).

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

15028868840 is a wasteful number, since it uses less digits than its factorization.

15028868840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743 (or 1716 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 50.

The spelling of 15028868840 in words is "fifteen billion, twenty-eight million, eight hundred sixty-eight thousand, eight hundred forty".