26220424404 has 12 divisors (see below), whose sum is σ = 61180990304. Its totient is φ = 8740141464.

The previous prime is 26220424369. The next prime is 26220424411. The reversal of 26220424404 is 40442402262.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1092517672 + ... + 1092517695.

Almost surely, 2^26220424404 is an apocalyptic number.

It is an amenable number.

26220424404 is an abundant number, since it is smaller than the sum of its proper divisors (34960565900).

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

26220424404 is a wasteful number, since it uses less digits than its factorization.

26220424404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185035374 (or 2185035372 counting only the distinct ones).

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

Adding to 26220424404 its reverse (40442402262), we get a palindrome (66662826666).

The spelling of 26220424404 in words is "twenty-six billion, two hundred twenty million, four hundred twenty-four thousand, four hundred four".