540464608240 has 80 divisors (see below), whose sum is σ = 1266947035200. Its totient is φ = 214408452096.

The previous prime is 540464608237. The next prime is 540464608249. The reversal of 540464608240 is 42806464045.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540464608249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5612821 + ... + 5708299.

It is an arithmetic number, because the mean of its divisors is an integer number (15836837940).

Almost surely, 2^540464608240 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 540464608240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (633473517600).

540464608240 is an abundant number, since it is smaller than the sum of its proper divisors (726482426960).

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

540464608240 is a wasteful number, since it uses less digits than its factorization.

540464608240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96074 (or 96068 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 43.

The spelling of 540464608240 in words is "five hundred forty billion, four hundred sixty-four million, six hundred eight thousand, two hundred forty".