540344423253 has 16 divisors (see below), whose sum is σ = 723123956736. Its totient is φ = 358897483200.

The previous prime is 540344423167. The next prime is 540344423263. The reversal of 540344423253 is 352324443045.

It is not a de Polignac number, because 540344423253 - 2¹⁶ = 540344357717 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540344423263) 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, 12901975 + ... + 12943787.

It is an arithmetic number, because the mean of its divisors is an integer number (45195247296).

Almost surely, 2^540344423253 is an apocalyptic number.

It is an amenable number.

540344423253 is a deficient number, since it is larger than the sum of its proper divisors (182779533483).

540344423253 is a wasteful number, since it uses less digits than its factorization.

540344423253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57644.

The product of its (nonzero) digits is 691200, while the sum is 39.

Adding to 540344423253 its reverse (352324443045), we get a palindrome (892668866298).

The spelling of 540344423253 in words is "five hundred forty billion, three hundred forty-four million, four hundred twenty-three thousand, two hundred fifty-three".