540242402 has 32 divisors (see below), whose sum is σ = 953149440. Its totient is φ = 224804160.

The previous prime is 540242401. The next prime is 540242431. The reversal of 540242402 is 204242045.

It is not an unprimeable number, because it can be changed into a prime (540242401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366527 + ... + 367997.

It is an arithmetic number, because the mean of its divisors is an integer number (29785920).

Almost surely, 2^540242402 is an apocalyptic number.

540242402 is a deficient number, since it is larger than the sum of its proper divisors (412907038).

540242402 is a wasteful number, since it uses less digits than its factorization.

540242402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226.

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 540242402 is about 23243.1151526640. The cubic root of 540242402 is about 814.4471149469.

Adding to 540242402 its reverse (204242045), we get a palindrome (744484447).

The spelling of 540242402 in words is "five hundred forty million, two hundred forty-two thousand, four hundred two".