10261226808 has 144 divisors (see below), whose sum is σ = 33733936080. Its totient is φ = 2804288256.

The previous prime is 10261226797. The next prime is 10261226867. The reversal of 10261226808 is 80862216201.

10261226808 is a `hidden beast` number, since 10 + 2 + 612 + 26 + 8 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17916 + ... + 144372.

It is an arithmetic number, because the mean of its divisors is an integer number (234263445).

Almost surely, 2^10261226808 is an apocalyptic number.

10261226808 is a gapful number since it is divisible by the number (18) 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 10261226808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16866968040).

10261226808 is an abundant number, since it is smaller than the sum of its proper divisors (23472709272).

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

10261226808 is a wasteful number, since it uses less digits than its factorization.

10261226808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126506 (or 126492 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 10261226808 in words is "ten billion, two hundred sixty-one million, two hundred twenty-six thousand, eight hundred eight".