13516026040 has 128 divisors (see below), whose sum is σ = 34588477440. Its totient is φ = 4708800000.

The previous prime is 13516026019. The next prime is 13516026049. The reversal of 13516026040 is 4062061531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13516026049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1372735 + ... + 1382545.

It is an arithmetic number, because the mean of its divisors is an integer number (270222480).

Almost surely, 2^13516026040 is an apocalyptic number.

13516026040 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 13516026040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17294238720).

13516026040 is an abundant number, since it is smaller than the sum of its proper divisors (21072451400).

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

13516026040 is a wasteful number, since it uses less digits than its factorization.

13516026040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9965 (or 9961 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 13516026040 its reverse (4062061531), we get a palindrome (17578087571).

The spelling of 13516026040 in words is "thirteen billion, five hundred sixteen million, twenty-six thousand, forty".