26420404404 has 48 divisors (see below), whose sum is σ = 62570836160. Its totient is φ = 8675216640.

The previous prime is 26420404403. The next prime is 26420404433. The reversal of 26420404404 is 40440402462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26420404403) 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, 691842 + ... + 729030.

Almost surely, 2^26420404404 is an apocalyptic number.

It is an amenable number.

26420404404 is an abundant number, since it is smaller than the sum of its proper divisors (36150431756).

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

26420404404 is a wasteful number, since it uses less digits than its factorization.

26420404404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38080 (or 38078 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 26420404404 its reverse (40440402462), we get a palindrome (66860806866).

The spelling of 26420404404 in words is "twenty-six billion, four hundred twenty million, four hundred four thousand, four hundred four".