15040132328 has 64 divisors (see below), whose sum is σ = 32120289600. Its totient is φ = 6544903680.

The previous prime is 15040132277. The next prime is 15040132357. The reversal of 15040132328 is 82323104051.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 15040132328.

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, 398900 + ... + 434972.

It is an arithmetic number, because the mean of its divisors is an integer number (501879525).

Almost surely, 2^15040132328 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 15040132328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16060144800).

15040132328 is an abundant number, since it is smaller than the sum of its proper divisors (17080157272).

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

15040132328 is a wasteful number, since it uses less digits than its factorization.

15040132328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36322 (or 36318 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 15040132328 its reverse (82323104051), we get a palindrome (97363236379).

The spelling of 15040132328 in words is "fifteen billion, forty million, one hundred thirty-two thousand, three hundred twenty-eight".