540504022450331 has 48 divisors (see below), whose sum is σ = 559802348294112. Its totient is φ = 521583980037120.

The previous prime is 540504022450313. The next prime is 540504022450339. The reversal of 540504022450331 is 133054220405045.

It is a de Polignac number, because none of the positive numbers 2^k-540504022450331 is a prime.

It is a super-2 number, since 2×540504022450331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540504022450339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 177973005545 + ... + 177973008581.

It is an arithmetic number, because the mean of its divisors is an integer number (11662548922794).

Almost surely, 2^{540504022450331} is an apocalyptic number.

540504022450331 is a deficient number, since it is larger than the sum of its proper divisors (19298325843781).

540504022450331 is a wasteful number, since it uses less digits than its factorization.

540504022450331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332 (or 4201 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 540504022450331 its reverse (133054220405045), we get a palindrome (673558242855376).

The spelling of 540504022450331 in words is "five hundred forty trillion, five hundred four billion, twenty-two million, four hundred fifty thousand, three hundred thirty-one".