540554340331 has 12 divisors (see below), whose sum is σ = 562650322000. Its totient is φ = 519291688608.

The previous prime is 540554340307. The next prime is 540554340367. The reversal of 540554340331 is 133043455045.

It is not a de Polignac number, because 540554340331 - 2¹³ = 540554332139 is a prime.

It is a super-2 number, since 2×540554340331² (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 (540554340031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1447596 + ... + 1782313.

Almost surely, 2^540554340331 is an apocalyptic number.

540554340331 is a deficient number, since it is larger than the sum of its proper divisors (22095981669).

540554340331 is a wasteful number, since it uses less digits than its factorization.

540554340331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3230166 (or 3230137 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 540554340331 its reverse (133043455045), we get a palindrome (673597795376).

The spelling of 540554340331 in words is "five hundred forty billion, five hundred fifty-four million, three hundred forty thousand, three hundred thirty-one".