15530450200 has 48 divisors (see below), whose sum is σ = 36126069480. Its totient is φ = 6209122560.

The previous prime is 15530450191. The next prime is 15530450203. The reversal of 15530450200 is 205403551.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15530450203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 412567 + ... + 448633.

Almost surely, 2^15530450200 is an apocalyptic number.

15530450200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15530450200 is an abundant number, since it is smaller than the sum of its proper divisors (20595619280).

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

15530450200 is a wasteful number, since it uses less digits than its factorization.

15530450200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38236 (or 38227 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

Adding to 15530450200 its reverse (205403551), we get a palindrome (15735853751).

The spelling of 15530450200 in words is "fifteen billion, five hundred thirty million, four hundred fifty thousand, two hundred".