15550230214400 has 216 divisors, whose sum is σ = 45010689381504. Its totient is φ = 5207518310400.

The previous prime is 15550230214319. The next prime is 15550230214403. The reversal of 15550230214400 is 441203205551.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15550230214403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2109686 + ... + 5962485.

Almost surely, 2^{15550230214400} is an apocalyptic number.

15550230214400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15550230214400 is an abundant number, since it is smaller than the sum of its proper divisors (29460459167104).

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

15550230214400 is an equidigital number, since it uses as much as digits as its factorization.

15550230214400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8072247 (or 8072228 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 15550230214400 its reverse (441203205551), we get a palindrome (15991433419951).

The spelling of 15550230214400 in words is "fifteen trillion, five hundred fifty billion, two hundred thirty million, two hundred fourteen thousand, four hundred".