13206888040 has 64 divisors (see below), whose sum is σ = 31036089600. Its totient is φ = 5052826368.

The previous prime is 13206888017. The next prime is 13206888053. The reversal of 13206888040 is 4088860231.

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

It is a junction number, because it is equal to n+sod(n) for n = 13206887984 and 13206888002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11697 + ... + 162943.

It is an arithmetic number, because the mean of its divisors is an integer number (484938900).

Almost surely, 2^13206888040 is an apocalyptic number.

13206888040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13206888040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15518044800).

13206888040 is an abundant number, since it is smaller than the sum of its proper divisors (17829201560).

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

13206888040 is a wasteful number, since it uses less digits than its factorization.

13206888040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151354 (or 151350 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The spelling of 13206888040 in words is "thirteen billion, two hundred six million, eight hundred eighty-eight thousand, forty".