540365978866 has 16 divisors (see below), whose sum is σ = 933103299456. Its totient is φ = 229895014176.

The previous prime is 540365978827. The next prime is 540365978899. The reversal of 540365978866 is 668879563045.

It is a super-2 number, since 2×540365978866² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140865126 + ... + 140868961.

It is an arithmetic number, because the mean of its divisors is an integer number (58318956216).

Almost surely, 2^540365978866 is an apocalyptic number.

540365978866 is a deficient number, since it is larger than the sum of its proper divisors (392737320590).

540365978866 is a wasteful number, since it uses less digits than its factorization.

540365978866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281734233.

The product of its (nonzero) digits is 261273600, while the sum is 67.

The spelling of 540365978866 in words is "five hundred forty billion, three hundred sixty-five million, nine hundred seventy-eight thousand, eight hundred sixty-six".