26516556426 has 8 divisors (see below), whose sum is σ = 53033112864. Its totient is φ = 8838852140.

The previous prime is 26516556403. The next prime is 26516556461. The reversal of 26516556426 is 62465561562.

It is a sphenic number, since it is the product of 3 distinct primes.

26516556426 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 2209713030 + ... + 2209713041.

It is an arithmetic number, because the mean of its divisors is an integer number (6629139108).

Almost surely, 2^26516556426 is an apocalyptic number.

26516556426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

26516556426 is a wasteful number, since it uses less digits than its factorization.

26516556426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4419426076.

The product of its digits is 2592000, while the sum is 48.

The spelling of 26516556426 in words is "twenty-six billion, five hundred sixteen million, five hundred fifty-six thousand, four hundred twenty-six".