15530344230 has 32 divisors (see below), whose sum is σ = 37510244064. Its totient is φ = 4115045376.

The previous prime is 15530344229. The next prime is 15530344243. The reversal of 15530344230 is 3244303551.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 1643947 + ... + 1653366.

It is an arithmetic number, because the mean of its divisors is an integer number (1172195127).

Almost surely, 2^15530344230 is an apocalyptic number.

15530344230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15530344230 is an abundant number, since it is smaller than the sum of its proper divisors (21979899834).

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

15530344230 is a wasteful number, since it uses less digits than its factorization.

15530344230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3297480.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 15530344230 its reverse (3244303551), we get a palindrome (18774647781).

The spelling of 15530344230 in words is "fifteen billion, five hundred thirty million, three hundred forty-four thousand, two hundred thirty".