540661454466 has 32 divisors (see below), whose sum is σ = 1261017974400. Its totient is φ = 154474700688.

The previous prime is 540661454461. The next prime is 540661454477. The reversal of 540661454466 is 664454166045.

It is not an unprimeable number, because it can be changed into a prime (540661454461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131353981 + ... + 131358096.

It is an arithmetic number, because the mean of its divisors is an integer number (39406811700).

Almost surely, 2^540661454466 is an apocalyptic number.

540661454466 is an abundant number, since it is smaller than the sum of its proper divisors (720356519934).

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

540661454466 is a wasteful number, since it uses less digits than its factorization.

540661454466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262712103 (or 262712089 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 51.

The spelling of 540661454466 in words is "five hundred forty billion, six hundred sixty-one million, four hundred fifty-four thousand, four hundred sixty-six".