540575980 has 72 divisors (see below), whose sum is σ = 1330376544. Its totient is φ = 180741120.

The previous prime is 540575977. The next prime is 540575989. The reversal of 540575980 is 89575045.

It is not an unprimeable number, because it can be changed into a prime (540575989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234192 + ... + 236488.

It is an arithmetic number, because the mean of its divisors is an integer number (18477452).

Almost surely, 2^540575980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 540575980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665188272).

540575980 is an abundant number, since it is smaller than the sum of its proper divisors (789800564).

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

540575980 is a wasteful number, since it uses less digits than its factorization.

540575980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395 (or 2352 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 43.

The square root of 540575980 is about 23250.2898906659. The cubic root of 540575980 is about 814.6147099255.

The spelling of 540575980 in words is "five hundred forty million, five hundred seventy-five thousand, nine hundred eighty".