540516447 has 12 divisors (see below), whose sum is σ = 781109160. Its totient is φ = 360176688.

The previous prime is 540516443. The next prime is 540516451. The reversal of 540516447 is 744615045.

540516447 is a `hidden beast` number, since 5 + 4 + 0 + 5 + 1 + 644 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (540516443) and next prime (540516451).

It is not a de Polignac number, because 540516447 - 2² = 540516443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540516443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8329 + ... + 33917.

It is an arithmetic number, because the mean of its divisors is an integer number (65092430).

Almost surely, 2^540516447 is an apocalyptic number.

540516447 is a deficient number, since it is larger than the sum of its proper divisors (240592713).

540516447 is a wasteful number, since it uses less digits than its factorization.

540516447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27942 (or 27939 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 540516447 is about 23249.0095918084. The cubic root of 540516447 is about 814.5848046394.

The spelling of 540516447 in words is "five hundred forty million, five hundred sixteen thousand, four hundred forty-seven".