15530230332 has 48 divisors (see below), whose sum is σ = 41562393600. Its totient is φ = 5009750640.

The previous prime is 15530230283. The next prime is 15530230421. The reversal of 15530230332 is 23303203551.

15530230332 is a `hidden beast` number, since 1 + 55 + 302 + 303 + 3 + 2 = 666.

15530230332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 15530230296 and 15530230305.

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 15 ways as a sum of consecutive naturals, for example, 2315982 + ... + 2322677.

It is an arithmetic number, because the mean of its divisors is an integer number (865883200).

Almost surely, 2^15530230332 is an apocalyptic number.

15530230332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15530230332 is an abundant number, since it is smaller than the sum of its proper divisors (26032163268).

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

15530230332 is a wasteful number, since it uses less digits than its factorization.

15530230332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4638703 (or 4638695 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

Adding to 15530230332 its reverse (23303203551), we get a palindrome (38833433883).

The spelling of 15530230332 in words is "fifteen billion, five hundred thirty million, two hundred thirty thousand, three hundred thirty-two".