540663140 has 12 divisors (see below), whose sum is σ = 1135392636. Its totient is φ = 216265248.

The previous prime is 540663119. The next prime is 540663143. The reversal of 540663140 is 41366045.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 168636196 + 372026944 = 12986^2 + 19288^2 .

It is not an unprimeable number, because it can be changed into a prime (540663143) 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, 13516559 + ... + 13516598.

It is an arithmetic number, because the mean of its divisors is an integer number (94616053).

Almost surely, 2^540663140 is an apocalyptic number.

It is an amenable number.

540663140 is an abundant number, since it is smaller than the sum of its proper divisors (594729496).

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

540663140 is a wasteful number, since it uses less digits than its factorization.

540663140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27033166 (or 27033164 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 540663140 is about 23252.1642003492. The cubic root of 540663140 is about 814.6584891567.

The spelling of 540663140 in words is "five hundred forty million, six hundred sixty-three thousand, one hundred forty".