13550347680 has 48 divisors (see below), whose sum is σ = 42683596704. Its totient is φ = 3613425920.

The previous prime is 13550347579. The next prime is 13550347697. The reversal of 13550347680 is 8674305531.

13550347680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×13550347680² (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 14114466 + ... + 14115425.

It is an arithmetic number, because the mean of its divisors is an integer number (889241598).

Almost surely, 2^13550347680 is an apocalyptic number.

13550347680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13550347680 is an abundant number, since it is smaller than the sum of its proper divisors (29133249024).

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

13550347680 is a wasteful number, since it uses less digits than its factorization.

13550347680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28229909 (or 28229901 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 13550347680 in words is "thirteen billion, five hundred fifty million, three hundred forty-seven thousand, six hundred eighty".