540363986919 has 32 divisors (see below), whose sum is σ = 824808484800. Its totient is φ = 349474245120.

The previous prime is 540363986887. The next prime is 540363986927. The reversal of 540363986919 is 919689363045.

540363986919 is a `hidden beast` number, since 5 + 403 + 63 + 9 + 86 + 91 + 9 = 666.

It is not a de Polignac number, because 540363986919 - 2⁵ = 540363986887 is a prime.

It is a super-2 number, since 2×540363986919² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540363986969) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1994062 + ... + 2248779.

It is an arithmetic number, because the mean of its divisors is an integer number (25775265150).

Almost surely, 2^540363986919 is an apocalyptic number.

540363986919 is a deficient number, since it is larger than the sum of its proper divisors (284444497881).

540363986919 is a wasteful number, since it uses less digits than its factorization.

540363986919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4242992 (or 4242986 counting only the distinct ones).

The product of its (nonzero) digits is 37791360, while the sum is 63.

The spelling of 540363986919 in words is "five hundred forty billion, three hundred sixty-three million, nine hundred eighty-six thousand, nine hundred nineteen".