540549276 has 12 divisors (see below), whose sum is σ = 1261281672. Its totient is φ = 180183088.

The previous prime is 540549271. The next prime is 540549277. The reversal of 540549276 is 672945045.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540549271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22522875 + ... + 22522898.

It is an arithmetic number, because the mean of its divisors is an integer number (105106806).

Almost surely, 2^540549276 is an apocalyptic number.

It is an amenable number.

540549276 is an abundant number, since it is smaller than the sum of its proper divisors (720732396).

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

540549276 is a wasteful number, since it uses less digits than its factorization.

540549276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45045780 (or 45045778 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 540549276 is about 23249.7156111639. The cubic root of 540549276 is about 814.6012959435.

The spelling of 540549276 in words is "five hundred forty million, five hundred forty-nine thousand, two hundred seventy-six".