540131243320 has 32 divisors (see below), whose sum is σ = 1217277889920. Its totient is φ = 215700036480.

The previous prime is 540131243273. The next prime is 540131243347. The reversal of 540131243320 is 23342131045.

It is a happy number.

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, 10989576 + ... + 11038615.

It is an arithmetic number, because the mean of its divisors is an integer number (38039934060).

Almost surely, 2^540131243320 is an apocalyptic number.

It is an amenable number.

540131243320 is an abundant number, since it is smaller than the sum of its proper divisors (677146646600).

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

540131243320 is a wasteful number, since it uses less digits than its factorization.

540131243320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22028815 (or 22028811 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 540131243320 its reverse (23342131045), we get a palindrome (563473374365).

The spelling of 540131243320 in words is "five hundred forty billion, one hundred thirty-one million, two hundred forty-three thousand, three hundred twenty".