15530340200 has 48 divisors (see below), whose sum is σ = 36480334380. Its totient is φ = 6148085760.

The previous prime is 15530340197. The next prime is 15530340233. The reversal of 15530340200 is 204303551.

It can be written as a sum of positive squares in 6 ways, for example, as 937216996 + 14593123204 = 30614^2 + 120802^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 380867 + ... + 419666.

Almost surely, 2^15530340200 is an apocalyptic number.

15530340200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15530340200 is an abundant number, since it is smaller than the sum of its proper divisors (20949994180).

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

15530340200 is a wasteful number, since it uses less digits than its factorization.

15530340200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800646 (or 800637 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 15530340200 its reverse (204303551), we get a palindrome (15734643751).

The spelling of 15530340200 in words is "fifteen billion, five hundred thirty million, three hundred forty thousand, two hundred".