26622755500 has 96 divisors (see below), whose sum is σ = 64977546816. Its totient is φ = 9444800000.

The previous prime is 26622755381. The next prime is 26622755543. The reversal of 26622755500 is 555722662.

It is a happy number.

It is a super-2 number, since 2×26622755500² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166470 + ... + 284530.

It is an arithmetic number, because the mean of its divisors is an integer number (676849446).

Almost surely, 2^26622755500 is an apocalyptic number.

26622755500 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 26622755500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32488773408).

26622755500 is an abundant number, since it is smaller than the sum of its proper divisors (38354791316).

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

26622755500 is a wasteful number, since it uses less digits than its factorization.

26622755500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118132 (or 118120 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 40.

The spelling of 26622755500 in words is "twenty-six billion, six hundred twenty-two million, seven hundred fifty-five thousand, five hundred".