26479452608 has 42 divisors (see below), whose sum is σ = 61123973256. Its totient is φ = 11348335488.

The previous prime is 26479452583. The next prime is 26479452631. The reversal of 26479452608 is 80625497462.

It is a happy number.

It is a super-2 number, since 2×26479452608² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26479452608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4218716 + ... + 4224987.

Almost surely, 2^26479452608 is an apocalyptic number.

26479452608 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

26479452608 is an abundant number, since it is smaller than the sum of its proper divisors (34644520648).

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

26479452608 is an equidigital number, since it uses as much as digits as its factorization.

26479452608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8443729 (or 8443712 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 26479452608 in words is "twenty-six billion, four hundred seventy-nine million, four hundred fifty-two thousand, six hundred eight".