13480275520 has 28 divisors (see below), whose sum is σ = 32099906844. Its totient is φ = 5392110080.

The previous prime is 13480275499. The next prime is 13480275547. The reversal of 13480275520 is 2557208431.

It can be written as a sum of positive squares in 2 ways, for example, as 10180002816 + 3300272704 = 100896^2 + 57448^2 .

It is a super-2 number, since 2×13480275520² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13480275520.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21062611 + ... + 21063250.

Almost surely, 2^13480275520 is an apocalyptic number.

13480275520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13480275520 is an abundant number, since it is smaller than the sum of its proper divisors (18619631324).

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

13480275520 is an equidigital number, since it uses as much as digits as its factorization.

13480275520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42125878 (or 42125868 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 13480275520 in words is "thirteen billion, four hundred eighty million, two hundred seventy-five thousand, five hundred twenty".