26220500000 has 126 divisors (see below), whose sum is σ = 64809189963. Its totient is φ = 10442400000.

The previous prime is 26220499961. The next prime is 26220500003. The reversal of 26220500000 is 502262.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 11 ways, for example, as 10644461584 + 15576038416 = 103172^2 + 124804^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=114500.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26220500003) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 114499886 + ... + 114500114.

Almost surely, 2^26220500000 is an apocalyptic number.

26220500000 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 26220500000

26220500000 is an abundant number, since it is smaller than the sum of its proper divisors (38588689963).

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

26220500000 is an frugal number, since it uses more digits than its factorization.

26220500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The spelling of 26220500000 in words is "twenty-six billion, two hundred twenty million, five hundred thousand".