15043380828 has 144 divisors (see below), whose sum is σ = 42692106240. Its totient is φ = 4103062656.

The previous prime is 15043380817. The next prime is 15043380829. The reversal of 15043380828 is 82808334051.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 15043380828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15043380829) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10453333 + ... + 10454771.

It is an arithmetic number, because the mean of its divisors is an integer number (296472960).

Almost surely, 2^15043380828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15043380828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21346053120).

15043380828 is an abundant number, since it is smaller than the sum of its proper divisors (27648725412).

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

15043380828 is a wasteful number, since it uses less digits than its factorization.

15043380828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256 (or 2247 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 15043380828 in words is "fifteen billion, forty-three million, three hundred eighty thousand, eight hundred twenty-eight".