540531678471 has 32 divisors (see below), whose sum is σ = 782177237760. Its totient is φ = 330868924416.

The previous prime is 540531678461. The next prime is 540531678503. The reversal of 540531678471 is 174876135045.

It is a happy number.

It is not a de Polignac number, because 540531678471 - 2¹⁰ = 540531677447 is a prime.

It is a super-3 number, since 3×540531678471³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540531678451) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 43380 + ... + 1040646.

It is an arithmetic number, because the mean of its divisors is an integer number (24443038680).

Almost surely, 2^540531678471 is an apocalyptic number.

540531678471 is a deficient number, since it is larger than the sum of its proper divisors (241645559289).

540531678471 is a wasteful number, since it uses less digits than its factorization.

540531678471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997583.

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 540531678471 in words is "five hundred forty billion, five hundred thirty-one million, six hundred seventy-eight thousand, four hundred seventy-one".