26791838858660 has 12 divisors (see below), whose sum is σ = 56262861603228. Its totient is φ = 10716735543456.

The previous prime is 26791838858657. The next prime is 26791838858767. The reversal of 26791838858660 is 6685883819762.

It can be written as a sum of positive squares in 2 ways, for example, as 2890163202304 + 23901675656356 = 1700048^2 + 4888934^2 .

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, 669795971447 + ... + 669795971486.

It is an arithmetic number, because the mean of its divisors is an integer number (4688571800269).

Almost surely, 2^{26791838858660} is an apocalyptic number.

26791838858660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26791838858660 is an abundant number, since it is smaller than the sum of its proper divisors (29471022744568).

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

26791838858660 is a wasteful number, since it uses less digits than its factorization.

26791838858660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339591942942 (or 1339591942940 counting only the distinct ones).

The product of its (nonzero) digits is 1672151040, while the sum is 77.

The spelling of 26791838858660 in words is "twenty-six trillion, seven hundred ninety-one billion, eight hundred thirty-eight million, eight hundred fifty-eight thousand, six hundred sixty".