26612101403220 has 48 divisors (see below), whose sum is σ = 74888325590400. Its totient is φ = 7060899263616.

The previous prime is 26612101403201. The next prime is 26612101403267. The reversal of 26612101403220 is 2230410121662.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1114397667 + ... + 1114421546.

It is an arithmetic number, because the mean of its divisors is an integer number (1560173449800).

Almost surely, 2^{26612101403220} is an apocalyptic number.

26612101403220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26612101403220 is an abundant number, since it is smaller than the sum of its proper divisors (48276224187180).

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

26612101403220 is a wasteful number, since it uses less digits than its factorization.

26612101403220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228819424 (or 2228819422 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 26612101403220 its reverse (2230410121662), we get a palindrome (28842511524882).

The spelling of 26612101403220 in words is "twenty-six trillion, six hundred twelve billion, one hundred one million, four hundred three thousand, two hundred twenty".