540664004 has 12 divisors (see below), whose sum is σ = 960284304. Its totient is φ = 266297064.

The previous prime is 540664001. The next prime is 540664031. The reversal of 540664004 is 400466045.

It is not an unprimeable number, because it can be changed into a prime (540664001) 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, 1008434 + ... + 1008969.

It is an arithmetic number, because the mean of its divisors is an integer number (80023692).

Almost surely, 2^540664004 is an apocalyptic number.

It is an amenable number.

540664004 is a deficient number, since it is larger than the sum of its proper divisors (419620300).

540664004 is a wasteful number, since it uses less digits than its factorization.

540664004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017474 (or 2017472 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 540664004 is about 23252.1827792575. The cubic root of 540664004 is about 814.6589231081.

The spelling of 540664004 in words is "five hundred forty million, six hundred sixty-four thousand, four".