540005422 has 32 divisors (see below), whose sum is σ = 931956480. Its totient is φ = 232087680.

The previous prime is 540005407. The next prime is 540005423. The reversal of 540005422 is 224500045.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 540005393 and 540005402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540005423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302998 + ... + 304774.

It is an arithmetic number, because the mean of its divisors is an integer number (29123640).

Almost surely, 2^540005422 is an apocalyptic number.

540005422 is a deficient number, since it is larger than the sum of its proper divisors (391951058).

540005422 is a wasteful number, since it uses less digits than its factorization.

540005422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2536.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 540005422 is about 23238.0167398167. The cubic root of 540005422 is about 814.3280104457.

Adding to 540005422 its reverse (224500045), we get a palindrome (764505467).

The spelling of 540005422 in words is "five hundred forty million, five thousand, four hundred twenty-two".