540405480726 has 12 divisors (see below), whose sum is σ = 1170878541612. Its totient is φ = 180135160236.

The previous prime is 540405480653. The next prime is 540405480763. The reversal of 540405480726 is 627084504045.

540405480726 is a `hidden beast` number, since 5 + 40 + 40 + 548 + 0 + 7 + 26 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15011263336 + ... + 15011263371.

It is an arithmetic number, because the mean of its divisors is an integer number (97573211801).

Almost surely, 2^540405480726 is an apocalyptic number.

540405480726 is an abundant number, since it is smaller than the sum of its proper divisors (630473060886).

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

540405480726 is a wasteful number, since it uses less digits than its factorization.

540405480726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30022526715 (or 30022526712 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 45.

The spelling of 540405480726 in words is "five hundred forty billion, four hundred five million, four hundred eighty thousand, seven hundred twenty-six".