26490471996 has 24 divisors (see below), whose sum is σ = 64498541184. Its totient is φ = 8446237360.

The previous prime is 26490471989. The next prime is 26490472007. The reversal of 26490471996 is 69917409462.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47989710 + ... + 47990261.

It is an arithmetic number, because the mean of its divisors is an integer number (2687439216).

Almost surely, 2^26490471996 is an apocalyptic number.

It is an amenable number.

26490471996 is an abundant number, since it is smaller than the sum of its proper divisors (38008069188).

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

26490471996 is a wasteful number, since it uses less digits than its factorization.

26490471996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95980001 (or 95979999 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 57.

The spelling of 26490471996 in words is "twenty-six billion, four hundred ninety million, four hundred seventy-one thousand, nine hundred ninety-six".