26526250000 has 80 divisors (see below), whose sum is σ = 64246124592. Its totient is φ = 10610000000.

The previous prime is 26526249989. The next prime is 26526250007. The reversal of 26526250000 is 5262562.

It can be written as a sum of positive squares in 8 ways, for example, as 25477267456 + 1048982544 = 159616^2 + 32388^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (26526250007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1239390 + ... + 1260610.

Almost surely, 2^26526250000 is an apocalyptic number.

26526250000 is a gapful number since it is divisible by the number (20) 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 26526250000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32123062296).

26526250000 is an abundant number, since it is smaller than the sum of its proper divisors (37719874592).

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

26526250000 is an frugal number, since it uses more digits than its factorization.

26526250000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21264 (or 21228 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 26526250000 in words is "twenty-six billion, five hundred twenty-six million, two hundred fifty thousand".