540445442 has 8 divisors (see below), whose sum is σ = 814060800. Its totient is φ = 269091844.

The previous prime is 540445391. The next prime is 540445447. The reversal of 540445442 is 244544045.

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

It is a junction number, because it is equal to n+sod(n) for n = 540445399 and 540445408.

It is not an unprimeable number, because it can be changed into a prime (540445447) 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, 564842 + ... + 565797.

It is an arithmetic number, because the mean of its divisors is an integer number (101757600).

Almost surely, 2^540445442 is an apocalyptic number.

540445442 is a deficient number, since it is larger than the sum of its proper divisors (273615358).

540445442 is a wasteful number, since it uses less digits than its factorization.

540445442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130880.

The product of its (nonzero) digits is 51200, while the sum is 32.

The square root of 540445442 is about 23247.4824873576. The cubic root of 540445442 is about 814.5491337379.

Adding to 540445442 its reverse (244544045), we get a palindrome (784989487).

The spelling of 540445442 in words is "five hundred forty million, four hundred forty-five thousand, four hundred forty-two".