540939664 has 20 divisors (see below), whose sum is σ = 1049504256. Its totient is φ = 270099872.

The previous prime is 540939661. The next prime is 540939703. The reversal of 540939664 is 466939045.

It is not an unprimeable number, because it can be changed into a prime (540939661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10864 + ... + 34639.

Almost surely, 2^540939664 is an apocalyptic number.

It is an amenable number.

540939664 is a deficient number, since it is larger than the sum of its proper divisors (508564592).

540939664 is a wasteful number, since it uses less digits than its factorization.

540939664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46254 (or 46248 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 46.

The square root of 540939664 is about 23258.1096394354. The cubic root of 540939664 is about 814.7973521028.

The spelling of 540939664 in words is "five hundred forty million, nine hundred thirty-nine thousand, six hundred sixty-four".