540236506 has 8 divisors (see below), whose sum is σ = 858022740. Its totient is φ = 254228928.

The previous prime is 540236467. The next prime is 540236507. The reversal of 540236506 is 605632045.

It can be written as a sum of positive squares in 2 ways, for example, as 535505881 + 4730625 = 23141^2 + 2175^2 .

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

It is not an unprimeable number, because it can be changed into a prime (540236507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7944621 + ... + 7944688.

Almost surely, 2^540236506 is an apocalyptic number.

540236506 is a deficient number, since it is larger than the sum of its proper divisors (317786234).

540236506 is a wasteful number, since it uses less digits than its factorization.

540236506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15889328.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 540236506 is about 23242.9883190609. The cubic root of 540236506 is about 814.4441520808. Note that the first 3 decimals are identical.

The spelling of 540236506 in words is "five hundred forty million, two hundred thirty-six thousand, five hundred six".