540656324020 has 24 divisors (see below), whose sum is σ = 1135404431784. Its totient is φ = 216257548416.

The previous prime is 540656324003. The next prime is 540656324027. The reversal of 540656324020 is 20423656045.

It can be written as a sum of positive squares in 4 ways, for example, as 2422805284 + 538233518736 = 49222^2 + 733644^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540656324027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651294 + ... + 1226986.

It is an arithmetic number, because the mean of its divisors is an integer number (47308517991).

Almost surely, 2^540656324020 is an apocalyptic number.

It is an amenable number.

540656324020 is an abundant number, since it is smaller than the sum of its proper divisors (594748107764).

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

540656324020 is a wasteful number, since it uses less digits than its factorization.

540656324020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622659 (or 622657 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 540656324020 in words is "five hundred forty billion, six hundred fifty-six million, three hundred twenty-four thousand, twenty".