540681332 has 12 divisors (see below), whose sum is σ = 987331296. Its totient is φ = 258586680.

The previous prime is 540681329. The next prime is 540681341. The reversal of 540681332 is 233186045.

It is a congruent number.

It is an unprimeable number.

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, 2938394 + ... + 2938577.

It is an arithmetic number, because the mean of its divisors is an integer number (82277608).

Almost surely, 2^540681332 is an apocalyptic number.

It is an amenable number.

540681332 is a deficient number, since it is larger than the sum of its proper divisors (446649964).

540681332 is a wasteful number, since it uses less digits than its factorization.

540681332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5876998 (or 5876996 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 540681332 is about 23252.5553864516. Note that the first 3 decimals coincide. The cubic root of 540681332 is about 814.6676261466.

The spelling of 540681332 in words is "five hundred forty million, six hundred eighty-one thousand, three hundred thirty-two".