260421246470136 has 16 divisors (see below), whose sum is σ = 651053116175400. Its totient is φ = 86807082156704.

The previous prime is 260421246470117. The next prime is 260421246470167. The reversal of 260421246470136 is 631074642124062.

It is a super-2 number, since 2×260421246470136² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5425442634771 + ... + 5425442634818.

Almost surely, 2^{260421246470136} is an apocalyptic number.

It is an amenable number.

260421246470136 is an abundant number, since it is smaller than the sum of its proper divisors (390631869705264).

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

260421246470136 is a wasteful number, since it uses less digits than its factorization.

260421246470136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10850885269598 (or 10850885269594 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 48.

Adding to 260421246470136 its reverse (631074642124062), we get a palindrome (891495888594198).

The spelling of 260421246470136 in words is "two hundred sixty trillion, four hundred twenty-one billion, two hundred forty-six million, four hundred seventy thousand, one hundred thirty-six".