540232644 has 36 divisors (see below), whose sum is σ = 1466347344. Its totient is φ = 154352016.

The previous prime is 540232639. The next prime is 540232699. The reversal of 540232644 is 446232045.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 458794 + ... + 459969.

Almost surely, 2^540232644 is an apocalyptic number.

It is an amenable number.

540232644 is an abundant number, since it is smaller than the sum of its proper divisors (926114700).

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

540232644 is a wasteful number, since it uses less digits than its factorization.

540232644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918784 (or 918775 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 540232644 is about 23242.9052400942. The cubic root of 540232644 is about 814.4422113316.

Adding to 540232644 its reverse (446232045), we get a palindrome (986464689).

The spelling of 540232644 in words is "five hundred forty million, two hundred thirty-two thousand, six hundred forty-four".