540205204402 has 4 divisors (see below), whose sum is σ = 810307806606. Its totient is φ = 270102602200.

The previous prime is 540205204387. The next prime is 540205204463. The reversal of 540205204402 is 204402502045.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 311454402561 + 228750801841 = 558081^2 + 478279^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135051301099 + ... + 135051301102.

Almost surely, 2^540205204402 is an apocalyptic number.

540205204402 is a deficient number, since it is larger than the sum of its proper divisors (270102602204).

540205204402 is a wasteful number, since it uses less digits than its factorization.

540205204402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270102602203.

The product of its (nonzero) digits is 12800, while the sum is 28.

Adding to 540205204402 its reverse (204402502045), we get a palindrome (744607706447).

The spelling of 540205204402 in words is "five hundred forty billion, two hundred five million, two hundred four thousand, four hundred two".