260026172020 has 24 divisors (see below), whose sum is σ = 569796482304. Its totient is φ = 99488274336.

The previous prime is 260026171883. The next prime is 260026172039. The reversal of 260026172020 is 20271620062.

It is a super-3 number, since 3×260026172020³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 260026172020.

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, 282636684 + ... + 282637603.

It is an arithmetic number, because the mean of its divisors is an integer number (23741520096).

Almost surely, 2^260026172020 is an apocalyptic number.

260026172020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260026172020 is an abundant number, since it is smaller than the sum of its proper divisors (309770310284).

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

260026172020 is a wasteful number, since it uses less digits than its factorization.

260026172020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565274319 (or 565274317 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 260026172020 its reverse (20271620062), we get a palindrome (280297792082).

The spelling of 260026172020 in words is "two hundred sixty billion, twenty-six million, one hundred seventy-two thousand, twenty".