540844342 has 4 divisors (see below), whose sum is σ = 811266516. Its totient is φ = 270422170.

The previous prime is 540844331. The next prime is 540844387. The reversal of 540844342 is 243448045.

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

It is a junction number, because it is equal to n+sod(n) for n = 540844298 and 540844307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135211084 + ... + 135211087.

It is an arithmetic number, because the mean of its divisors is an integer number (202816629).

Almost surely, 2^540844342 is an apocalyptic number.

540844342 is a deficient number, since it is larger than the sum of its proper divisors (270422174).

540844342 is a wasteful number, since it uses less digits than its factorization.

540844342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270422173.

The product of its (nonzero) digits is 61440, while the sum is 34.

The square root of 540844342 is about 23256.0603284391. The cubic root of 540844342 is about 814.7494892937.

The spelling of 540844342 in words is "five hundred forty million, eight hundred forty-four thousand, three hundred forty-two".