13455550480 has 40 divisors (see below), whose sum is σ = 31289062104. Its totient is φ = 5381376000.

The previous prime is 13455550421. The next prime is 13455550487. The reversal of 13455550480 is 8405555431.

It can be written as a sum of positive squares in 4 ways, for example, as 2917296144 + 10538254336 = 54012^2 + 102656^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (13455550487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854680 + ... + 870280.

Almost surely, 2^13455550480 is an apocalyptic number.

13455550480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13455550480 is an abundant number, since it is smaller than the sum of its proper divisors (17833511624).

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

13455550480 is a wasteful number, since it uses less digits than its factorization.

13455550480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26395 (or 26389 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

The spelling of 13455550480 in words is "thirteen billion, four hundred fifty-five million, five hundred fifty thousand, four hundred eighty".