540403214531 has 8 divisors (see below), whose sum is σ = 582074454720. Its totient is φ = 500054870952.

The previous prime is 540403214513. The next prime is 540403214587. The reversal of 540403214531 is 135412304045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 540403214531 - 2¹⁰ = 540403213507 is a prime.

It is a super-2 number, since 2×540403214531² (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 (540403214731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330723305 + ... + 330724938.

It is an arithmetic number, because the mean of its divisors is an integer number (72759306840).

Almost surely, 2^540403214531 is an apocalyptic number.

540403214531 is a deficient number, since it is larger than the sum of its proper divisors (41671240189).

540403214531 is a wasteful number, since it uses less digits than its factorization.

540403214531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661448305.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 540403214531 its reverse (135412304045), we get a palindrome (675815518576).

The spelling of 540403214531 in words is "five hundred forty billion, four hundred three million, two hundred fourteen thousand, five hundred thirty-one".