26989113404 has 18 divisors (see below), whose sum is σ = 51915010392. Its totient is φ = 12267778600.

The previous prime is 26989113383. The next prime is 26989113409. The reversal of 26989113404 is 40431198962.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26989113409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27880832 + ... + 27881799.

It is an arithmetic number, because the mean of its divisors is an integer number (2884167244).

Almost surely, 2^26989113404 is an apocalyptic number.

It is an amenable number.

26989113404 is a deficient number, since it is larger than the sum of its proper divisors (24925896988).

26989113404 is a wasteful number, since it uses less digits than its factorization.

26989113404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55762657 (or 55762644 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 26989113404 in words is "twenty-six billion, nine hundred eighty-nine million, one hundred thirteen thousand, four hundred four".