13481640048 has 20 divisors (see below), whose sum is σ = 34827570248. Its totient is φ = 4493880000.

The previous prime is 13481640043. The next prime is 13481640091. The reversal of 13481640048 is 84004618431.

It is a junction number, because it is equal to n+sod(n) for n = 13481639988 and 13481640015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13481640043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140433703 + ... + 140433798.

Almost surely, 2^13481640048 is an apocalyptic number.

It is an amenable number.

13481640048 is an abundant number, since it is smaller than the sum of its proper divisors (21345930200).

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

13481640048 is a wasteful number, since it uses less digits than its factorization.

13481640048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280867512 (or 280867506 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The spelling of 13481640048 in words is "thirteen billion, four hundred eighty-one million, six hundred forty thousand, forty-eight".