540640986648 has 128 divisors (see below), whose sum is σ = 1585399979520. Its totient is φ = 150412170240.

The previous prime is 540640986631. The next prime is 540640986671. The reversal of 540640986648 is 846689046045.

540640986648 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 540640986591 and 540640986600.

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, 3527386 + ... + 3677462.

It is an arithmetic number, because the mean of its divisors is an integer number (12385937340).

Almost surely, 2^540640986648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 540640986648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (792699989760).

540640986648 is an abundant number, since it is smaller than the sum of its proper divisors (1044758992872).

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

540640986648 is a wasteful number, since it uses less digits than its factorization.

540640986648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150657 (or 150653 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 60.

The spelling of 540640986648 in words is "five hundred forty billion, six hundred forty million, nine hundred eighty-six thousand, six hundred forty-eight".