540187980 has 24 divisors (see below), whose sum is σ = 1512526512. Its totient is φ = 144050112.

The previous prime is 540187943. The next prime is 540187981. The reversal of 540187980 is 89781045.

It is not an unprimeable number, because it can be changed into a prime (540187981) 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, 4501507 + ... + 4501626.

It is an arithmetic number, because the mean of its divisors is an integer number (63021938).

Almost surely, 2^540187980 is an apocalyptic number.

It is an amenable number.

540187980 is an abundant number, since it is smaller than the sum of its proper divisors (972338532).

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

540187980 is a wasteful number, since it uses less digits than its factorization.

540187980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9003145 (or 9003143 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 540187980 is about 23241.9444109136. The cubic root of 540187980 is about 814.4197659093.

The spelling of 540187980 in words is "five hundred forty million, one hundred eighty-seven thousand, nine hundred eighty".