540105660040 has 32 divisors (see below), whose sum is σ = 1215274464000. Its totient is φ = 216035734464.

The previous prime is 540105660011. The next prime is 540105660131. The reversal of 540105660040 is 40066501045.

It is a junction number, because it is equal to n+sod(n) for n = 540105659984 and 540105660011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1266871 + ... + 1638649.

It is an arithmetic number, because the mean of its divisors is an integer number (37977327000).

Almost surely, 2^540105660040 is an apocalyptic number.

It is an amenable number.

540105660040 is an abundant number, since it is smaller than the sum of its proper divisors (675168803960).

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

540105660040 is a wasteful number, since it uses less digits than its factorization.

540105660040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408109 (or 408105 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 540105660040 in words is "five hundred forty billion, one hundred five million, six hundred sixty thousand, forty".