13286613240 has 48 divisors (see below), whose sum is σ = 43181494200. Its totient is φ = 3543096768.

The previous prime is 13286613209. The next prime is 13286613259. The reversal of 13286613240 is 4231668231.

13286613240 is a `hidden beast` number, since 1 + 32 + 8 + 6 + 613 + 2 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 13286613195 and 13286613204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18453270 + ... + 18453989.

Almost surely, 2^13286613240 is an apocalyptic number.

13286613240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13286613240 is an abundant number, since it is smaller than the sum of its proper divisors (29894880960).

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

13286613240 is a wasteful number, since it uses less digits than its factorization.

13286613240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36907276 (or 36907269 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 13286613240 in words is "thirteen billion, two hundred eighty-six million, six hundred thirteen thousand, two hundred forty".