540226720 has 48 divisors (see below), whose sum is σ = 1392316128. Its totient is φ = 196445440.

The previous prime is 540226711. The next prime is 540226723. The reversal of 540226720 is 27622045.

It is not an unprimeable number, because it can be changed into a prime (540226723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151714 + ... + 155233.

It is an arithmetic number, because the mean of its divisors is an integer number (29006586).

Almost surely, 2^540226720 is an apocalyptic number.

It is an amenable number.

540226720 is an abundant number, since it is smaller than the sum of its proper divisors (852089408).

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

540226720 is a wasteful number, since it uses less digits than its factorization.

540226720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306973 (or 306965 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 540226720 is about 23242.7778030080. Note that the first 3 decimals coincide. The cubic root of 540226720 is about 814.4392343590.

Adding to 540226720 its reverse (27622045), we get a palindrome (567848765).

The spelling of 540226720 in words is "five hundred forty million, two hundred twenty-six thousand, seven hundred twenty".