540466506 has 48 divisors (see below), whose sum is σ = 1217798400. Its totient is φ = 179648928.

The previous prime is 540466501. The next prime is 540466513. The reversal of 540466506 is 605664045.

It is a happy number.

540466506 is a `hidden beast` number, since 540 + 4 + 66 + 50 + 6 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (540466501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197415 + ... + 200133.

It is an arithmetic number, because the mean of its divisors is an integer number (25370800).

Almost surely, 2^540466506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 540466506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (608899200).

540466506 is an abundant number, since it is smaller than the sum of its proper divisors (677331894).

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

540466506 is a wasteful number, since it uses less digits than its factorization.

540466506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145 (or 3133 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 540466506 is about 23247.9355212458. The cubic root of 540466506 is about 814.5597160210.

The spelling of 540466506 in words is "five hundred forty million, four hundred sixty-six thousand, five hundred six".