540666328 has 32 divisors (see below), whose sum is σ = 1022317200. Its totient is φ = 268060032.

The previous prime is 540666293. The next prime is 540666331. The reversal of 540666328 is 823666045.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595651 + ... + 596557.

Almost surely, 2^540666328 is an apocalyptic number.

It is an amenable number.

540666328 is a deficient number, since it is larger than the sum of its proper divisors (481650872).

540666328 is a wasteful number, since it uses less digits than its factorization.

540666328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459 (or 1455 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 540666328 is about 23252.2327530068. The cubic root of 540666328 is about 814.6600903547.

The spelling of 540666328 in words is "five hundred forty million, six hundred sixty-six thousand, three hundred twenty-eight".