13550408863744 has 117 divisors (see below), whose sum is σ = 27393250196923. Its totient is φ = 6702053851136.

The previous prime is 13550408863687. The next prime is 13550408863759. The reversal of 13550408863744 is 44736880405531.

The square root of 13550408863744 is 3681088.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1291223142400 + 12259185721344 = 1136320^2 + 3501312^2 .

It is a super-2 number, since 2×13550408863744² (a number of 27 digits) contains 22 as substring.

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 26621628162 + ... + 26621628670.

Almost surely, 2^{13550408863744} is an apocalyptic number.

13550408863744 is the 3681088-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13550408863744

13550408863744 is an abundant number, since it is smaller than the sum of its proper divisors (13842841333179).

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

13550408863744 is an frugal number, since it uses more digits than its factorization.

13550408863744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 58.

The spelling of 13550408863744 in words is "thirteen trillion, five hundred fifty billion, four hundred eight million, eight hundred sixty-three thousand, seven hundred forty-four".