540224402454431 has 2 divisors, whose sum is σ = 540224402454432. Its totient is φ = 540224402454430.

The previous prime is 540224402454409. The next prime is 540224402454439. The reversal of 540224402454431 is 134454204422045.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540224402454431 is a prime.

It is a super-2 number, since 2×540224402454431² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540224402454439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270112201227215 + 270112201227216.

It is an arithmetic number, because the mean of its divisors is an integer number (270112201227216).

Almost surely, 2^{540224402454431} is an apocalyptic number.

540224402454431 is a deficient number, since it is larger than the sum of its proper divisors (1).

540224402454431 is an equidigital number, since it uses as much as digits as its factorization.

540224402454431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2457600, while the sum is 44.

Adding to 540224402454431 its reverse (134454204422045), we get a palindrome (674678606876476).

The spelling of 540224402454431 in words is "five hundred forty trillion, two hundred twenty-four billion, four hundred two million, four hundred fifty-four thousand, four hundred thirty-one".