13453530440 has 32 divisors (see below), whose sum is σ = 34594793280. Its totient is φ = 4612638912.

The previous prime is 13453530413. The next prime is 13453530487. The reversal of 13453530440 is 4403535431.

It is a junction number, because it is equal to n+sod(n) for n = 13453530397 and 13453530406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24023882 + ... + 24024441.

It is an arithmetic number, because the mean of its divisors is an integer number (1081087290).

Almost surely, 2^13453530440 is an apocalyptic number.

13453530440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13453530440 is an abundant number, since it is smaller than the sum of its proper divisors (21141262840).

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

13453530440 is a wasteful number, since it uses less digits than its factorization.

13453530440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48048341 (or 48048337 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The spelling of 13453530440 in words is "thirteen billion, four hundred fifty-three million, five hundred thirty thousand, four hundred forty".