540540202 has 4 divisors (see below), whose sum is σ = 810810306. Its totient is φ = 270270100.

The previous prime is 540540179. The next prime is 540540233. The reversal of 540540202 is 202045045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202045045 = 5 ⋅40409009.

It can be written as a sum of positive squares in only one way, i.e., 518063121 + 22477081 = 22761^2 + 4741^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135135049 + ... + 135135052.

Almost surely, 2^540540202 is an apocalyptic number.

540540202 is a deficient number, since it is larger than the sum of its proper divisors (270270104).

540540202 is a wasteful number, since it uses less digits than its factorization.

540540202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270270103.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 540540202 is about 23249.5204681731. The cubic root of 540540202 is about 814.5967377815.

Adding to 540540202 its reverse (202045045), we get a palindrome (742585247).

The spelling of 540540202 in words is "five hundred forty million, five hundred forty thousand, two hundred two".