540224442 has 24 divisors (see below), whose sum is σ = 1192573044. Its totient is φ = 176676864.

The previous prime is 540224431. The next prime is 540224471. The reversal of 540224442 is 244422045.

It can be written as a sum of positive squares in 2 ways, for example, as 491908041 + 48316401 = 22179^2 + 6951^2 .

It is a super-2 number, since 2×540224442² = 583684895468422728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282183 + ... + 284090.

Almost surely, 2^540224442 is an apocalyptic number.

540224442 is an abundant number, since it is smaller than the sum of its proper divisors (652348602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540224442 is a wasteful number, since it uses less digits than its factorization.

540224442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566334 (or 566331 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 540224442 is about 23242.7287984866. The cubic root of 540224442 is about 814.4380895957.

Adding to 540224442 its reverse (244422045), we get a palindrome (784646487).

The spelling of 540224442 in words is "five hundred forty million, two hundred twenty-four thousand, four hundred forty-two".