540661452 has 24 divisors (see below), whose sum is σ = 1302239232. Its totient is φ = 174406800.

The previous prime is 540661447. The next prime is 540661453. The reversal of 540661452 is 254166045.

It is not an unprimeable number, because it can be changed into a prime (540661453) 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, 726324 + ... + 727067.

It is an arithmetic number, because the mean of its divisors is an integer number (54259968).

Almost surely, 2^540661452 is an apocalyptic number.

It is an amenable number.

540661452 is an abundant number, since it is smaller than the sum of its proper divisors (761577780).

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

540661452 is a wasteful number, since it uses less digits than its factorization.

540661452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453429 (or 1453427 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 540661452 is about 23252.1279026243. The cubic root of 540661452 is about 814.6576413429.

The spelling of 540661452 in words is "five hundred forty million, six hundred sixty-one thousand, four hundred fifty-two".