26746161220 has 24 divisors (see below), whose sum is σ = 57361981824. Its totient is φ = 10470837216.

The previous prime is 26746161193. The next prime is 26746161227. The reversal of 26746161220 is 2216164762.

It is a self number, because there is not a number n which added to its sum of digits gives 26746161220.

It is not an unprimeable number, because it can be changed into a prime (26746161227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14225742 + ... + 14227621.

It is an arithmetic number, because the mean of its divisors is an integer number (2390082576).

Almost surely, 2^26746161220 is an apocalyptic number.

26746161220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26746161220 is an abundant number, since it is smaller than the sum of its proper divisors (30615820604).

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

26746161220 is a wasteful number, since it uses less digits than its factorization.

26746161220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28453419 (or 28453417 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 26746161220 in words is "twenty-six billion, seven hundred forty-six million, one hundred sixty-one thousand, two hundred twenty".