6540392244231 has 96 divisors (see below), whose sum is σ = 10673110506240. Its totient is φ = 3834882081792.

The previous prime is 6540392244203. The next prime is 6540392244257. The reversal of 6540392244231 is 1324422930456.

6540392244231 is a `hidden beast` number, since 6 + 5 + 4 + 0 + 392 + 24 + 4 + 231 = 666.

It is not a de Polignac number, because 6540392244231 - 2¹⁴ = 6540392227847 is a prime.

It is a super-2 number, since 2×6540392244231² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6540390244231) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 155122605 + ... + 155164761.

It is an arithmetic number, because the mean of its divisors is an integer number (111178234440).

Almost surely, 2^{6540392244231} is an apocalyptic number.

6540392244231 is a deficient number, since it is larger than the sum of its proper divisors (4132718262009).

6540392244231 is a wasteful number, since it uses less digits than its factorization.

6540392244231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42925 (or 42922 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 6540392244231 in words is "six trillion, five hundred forty billion, three hundred ninety-two million, two hundred forty-four thousand, two hundred thirty-one".