540252140540 has 24 divisors (see below), whose sum is σ = 1296605137632. Its totient is φ = 185229305280.

The previous prime is 540252140531. The next prime is 540252140551. The reversal of 540252140540 is 45041252045.

It is a super-2 number, since 2×540252140540² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 540252140497 and 540252140506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1929471791 + ... + 1929472070.

It is an arithmetic number, because the mean of its divisors is an integer number (54025214068).

Almost surely, 2^540252140540 is an apocalyptic number.

It is an amenable number.

540252140540 is an abundant number, since it is smaller than the sum of its proper divisors (756352997092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540252140540 is a wasteful number, since it uses less digits than its factorization.

540252140540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3858943877 (or 3858943875 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 540252140540 its reverse (45041252045), we get a palindrome (585293392585).

The spelling of 540252140540 in words is "five hundred forty billion, two hundred fifty-two million, one hundred forty thousand, five hundred forty".