540645530 has 8 divisors (see below), whose sum is σ = 973161972. Its totient is φ = 216258208.

The previous prime is 540645529. The next prime is 540645593. The reversal of 540645530 is 35546045.

It can be written as a sum of positive squares in 2 ways, for example, as 532732561 + 7912969 = 23081^2 + 2813^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27032267 + ... + 27032286.

Almost surely, 2^540645530 is an apocalyptic number.

540645530 is a deficient number, since it is larger than the sum of its proper divisors (432516442).

540645530 is a wasteful number, since it uses less digits than its factorization.

540645530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54064560.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 540645530 is about 23251.7855228367. The cubic root of 540645530 is about 814.6496442829.

The spelling of 540645530 in words is "five hundred forty million, six hundred forty-five thousand, five hundred thirty".