260535140631 has 16 divisors (see below), whose sum is σ = 385995882720. Its totient is φ = 173682040320.

The previous prime is 260535140629. The next prime is 260535140669. The reversal of 260535140631 is 136041535062.

260535140631 is a `hidden beast` number, since 2 + 6 + 0 + 5 + 3 + 5 + 14 + 0 + 631 = 666.

It is not a de Polignac number, because 260535140631 - 2¹ = 260535140629 is a prime.

It is a super-2 number, since 2×260535140631² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260535140611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401121 + ... + 825813.

It is an arithmetic number, because the mean of its divisors is an integer number (24124742670).

Almost surely, 2^260535140631 is an apocalyptic number.

260535140631 is a deficient number, since it is larger than the sum of its proper divisors (125460742089).

260535140631 is a wasteful number, since it uses less digits than its factorization.

260535140631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447423 (or 447417 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 260535140631 its reverse (136041535062), we get a palindrome (396576675693).

The spelling of 260535140631 in words is "two hundred sixty billion, five hundred thirty-five million, one hundred forty thousand, six hundred thirty-one".