540113133440 has 32 divisors (see below), whose sum is σ = 1291207961160. Its totient is φ = 216045253120.

The previous prime is 540113133421. The next prime is 540113133463. The reversal of 540113133440 is 44331311045.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421962746 + ... + 421964025.

Almost surely, 2^540113133440 is an apocalyptic number.

It is an amenable number.

540113133440 is an abundant number, since it is smaller than the sum of its proper divisors (751094827720).

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

540113133440 is an equidigital number, since it uses as much as digits as its factorization.

540113133440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843926790 (or 843926778 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 540113133440 its reverse (44331311045), we get a palindrome (584444444485).

The spelling of 540113133440 in words is "five hundred forty billion, one hundred thirteen million, one hundred thirty-three thousand, four hundred forty".