26608487220 has 72 divisors (see below), whose sum is σ = 92242760064. Its totient is φ = 6081939648.

The previous prime is 26608487203. The next prime is 26608487221. The reversal of 26608487220 is 2278480662.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26608487221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10557664 + ... + 10560183.

Almost surely, 2^26608487220 is an apocalyptic number.

26608487220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26608487220 is an abundant number, since it is smaller than the sum of its proper divisors (65634272844).

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

26608487220 is a wasteful number, since it uses less digits than its factorization.

26608487220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21117869 (or 21117864 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 26608487220 in words is "twenty-six billion, six hundred eight million, four hundred eighty-seven thousand, two hundred twenty".