13014056440 has 128 divisors (see below), whose sum is σ = 36614592000. Its totient is φ = 4044372480.

The previous prime is 13014056437. The next prime is 13014056467. The reversal of 13014056440 is 4465041031.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 13014056399 and 13014056408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1068867 + ... + 1080973.

It is an arithmetic number, because the mean of its divisors is an integer number (286051500).

Almost surely, 2^13014056440 is an apocalyptic number.

13014056440 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 13014056440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18307296000).

13014056440 is an abundant number, since it is smaller than the sum of its proper divisors (23600535560).

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

13014056440 is a wasteful number, since it uses less digits than its factorization.

13014056440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12485 (or 12481 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 13014056440 its reverse (4465041031), we get a palindrome (17479097471).

The spelling of 13014056440 in words is "thirteen billion, fourteen million, fifty-six thousand, four hundred forty".