26271436220 has 48 divisors (see below), whose sum is σ = 56168985600. Its totient is φ = 10318701120.

The previous prime is 26271436193. The next prime is 26271436223. The reversal of 26271436220 is 2263417262.

It is a super-2 number, since 2×26271436220² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26271436223) 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, 1062761 + ... + 1087199.

It is an arithmetic number, because the mean of its divisors is an integer number (1170187200).

Almost surely, 2^26271436220 is an apocalyptic number.

26271436220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26271436220 is an abundant number, since it is smaller than the sum of its proper divisors (29897549380).

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

26271436220 is a wasteful number, since it uses less digits than its factorization.

26271436220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25418 (or 25416 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The spelling of 26271436220 in words is "twenty-six billion, two hundred seventy-one million, four hundred thirty-six thousand, two hundred twenty".