26528916090 has 96 divisors (see below), whose sum is σ = 66229390656. Its totient is φ = 6800532480.

The previous prime is 26528916083. The next prime is 26528916107. The reversal of 26528916090 is 9061982562.

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 47 ways as a sum of consecutive naturals, for example, 6078249 + ... + 6082611.

It is an arithmetic number, because the mean of its divisors is an integer number (689889486).

Almost surely, 2^26528916090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26528916090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33114695328).

26528916090 is an abundant number, since it is smaller than the sum of its proper divisors (39700474566).

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

26528916090 is a wasteful number, since it uses less digits than its factorization.

26528916090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4672 (or 4643 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The spelling of 26528916090 in words is "twenty-six billion, five hundred twenty-eight million, nine hundred sixteen thousand, ninety".