26204664552 has 128 divisors (see below), whose sum is σ = 76065816960. Its totient is φ = 7434731520.

The previous prime is 26204664539. The next prime is 26204664571. The reversal of 26204664552 is 25546640262.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 851058 + ... + 881310.

It is an arithmetic number, because the mean of its divisors is an integer number (594264195).

Almost surely, 2^26204664552 is an apocalyptic number.

26204664552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26204664552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38032908480).

26204664552 is an abundant number, since it is smaller than the sum of its proper divisors (49861152408).

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

26204664552 is a wasteful number, since it uses less digits than its factorization.

26204664552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30483 (or 30479 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 26204664552 in words is "twenty-six billion, two hundred four million, six hundred sixty-four thousand, five hundred fifty-two".