13650451540 has 96 divisors (see below), whose sum is σ = 31766515200. Its totient is φ = 4885816320.

The previous prime is 13650451499. The next prime is 13650451543. The reversal of 13650451540 is 4515405631.

It is a junction number, because it is equal to n+sod(n) for n = 13650451496 and 13650451505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13650451543) 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, 4678162 + ... + 4681078.

It is an arithmetic number, because the mean of its divisors is an integer number (330901200).

Almost surely, 2^13650451540 is an apocalyptic number.

13650451540 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 13650451540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15883257600).

13650451540 is an abundant number, since it is smaller than the sum of its proper divisors (18116063660).

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

13650451540 is a wasteful number, since it uses less digits than its factorization.

13650451540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265 (or 3263 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 13650451540 in words is "thirteen billion, six hundred fifty million, four hundred fifty-one thousand, five hundred forty".