13304231040 has 128 divisors (see below), whose sum is σ = 43441816320. Its totient is φ = 3461242880.

The previous prime is 13304230997. The next prime is 13304231051. The reversal of 13304231040 is 4013240331.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 13304230998 and 13304231016.

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, 5784 + ... + 163223.

It is an arithmetic number, because the mean of its divisors is an integer number (339389190).

Almost surely, 2^13304231040 is an apocalyptic number.

13304231040 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 13304231040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21720908160).

13304231040 is an abundant number, since it is smaller than the sum of its proper divisors (30137585280).

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

13304231040 is a wasteful number, since it uses less digits than its factorization.

13304231040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169070 (or 169058 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13304231040 its reverse (4013240331), we get a palindrome (17317471371).

The spelling of 13304231040 in words is "thirteen billion, three hundred four million, two hundred thirty-one thousand, forty".