540664446 has 16 divisors (see below), whose sum is σ = 1235804544. Its totient is φ = 154475544.

The previous prime is 540664441. The next prime is 540664451. The reversal of 540664446 is 644466045.

540664446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (540664441) and next prime (540664451).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540664441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6436440 + ... + 6436523.

It is an arithmetic number, because the mean of its divisors is an integer number (77237784).

Almost surely, 2^540664446 is an apocalyptic number.

540664446 is an abundant number, since it is smaller than the sum of its proper divisors (695140098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540664446 is a wasteful number, since it uses less digits than its factorization.

540664446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12872975.

The product of its (nonzero) digits is 276480, while the sum is 39.

The square root of 540664446 is about 23252.1922837396. The cubic root of 540664446 is about 814.6591451062.

The spelling of 540664446 in words is "five hundred forty million, six hundred sixty-four thousand, four hundred forty-six".