540450667331 has 4 divisors (see below), whose sum is σ = 540458391000. Its totient is φ = 540442943664.

The previous prime is 540450667279. The next prime is 540450667403. The reversal of 540450667331 is 133766054045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 540450667331 - 2¹⁰ = 540450666307 is a prime.

It is a super-2 number, since 2×540450667331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540450667831) 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, 3755906 + ... + 3897143.

It is an arithmetic number, because the mean of its divisors is an integer number (135114597750).

Almost surely, 2^540450667331 is an apocalyptic number.

540450667331 is a deficient number, since it is larger than the sum of its proper divisors (7723669).

540450667331 is an equidigital number, since it uses as much as digits as its factorization.

540450667331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7723668.

The product of its (nonzero) digits is 907200, while the sum is 44.

The spelling of 540450667331 in words is "five hundred forty billion, four hundred fifty million, six hundred sixty-seven thousand, three hundred thirty-one".