540155660 has 24 divisors (see below), whose sum is σ = 1237448016. Its totient is φ = 196420160.

The previous prime is 540155647. The next prime is 540155663. The reversal of 540155660 is 66551045.

It is not an unprimeable number, because it can be changed into a prime (540155663) 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 7 ways as a sum of consecutive naturals, for example, 1227407 + ... + 1227846.

It is an arithmetic number, because the mean of its divisors is an integer number (51560334).

Almost surely, 2^540155660 is an apocalyptic number.

It is an amenable number.

540155660 is an abundant number, since it is smaller than the sum of its proper divisors (697292356).

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

540155660 is a wasteful number, since it uses less digits than its factorization.

540155660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455273 (or 2455271 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 540155660 is about 23241.2491058463. The cubic root of 540155660 is about 814.4035230625.

The spelling of 540155660 in words is "five hundred forty million, one hundred fifty-five thousand, six hundred sixty".