13391159040 has 432 divisors, whose sum is σ = 54047448000. Its totient is φ = 3059933184.

The previous prime is 13391159039. The next prime is 13391159053. The reversal of 13391159040 is 4095119331.

13391159040 is a `hidden beast` number, since 13 + 3 + 9 + 11 + 590 + 40 = 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 = 13391158986 and 13391159004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3949666 + ... + 3953054.

Almost surely, 2^13391159040 is an apocalyptic number.

13391159040 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 13391159040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27023724000).

13391159040 is an abundant number, since it is smaller than the sum of its proper divisors (40656288960).

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

13391159040 is an equidigital number, since it uses as much as digits as its factorization.

13391159040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3437 (or 3406 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The spelling of 13391159040 in words is "thirteen billion, three hundred ninety-one million, one hundred fifty-nine thousand, forty".