26229763820 has 24 divisors (see below), whose sum is σ = 59319620304. Its totient is φ = 9684835776.

The previous prime is 26229763793. The next prime is 26229763829. The reversal of 26229763820 is 2836792262.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (26229763829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50441594 + ... + 50442113.

It is an arithmetic number, because the mean of its divisors is an integer number (2471650846).

Almost surely, 2^26229763820 is an apocalyptic number.

26229763820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26229763820 is an abundant number, since it is smaller than the sum of its proper divisors (33089856484).

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

26229763820 is a wasteful number, since it uses less digits than its factorization.

26229763820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100883729 (or 100883727 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 26229763820 in words is "twenty-six billion, two hundred twenty-nine million, seven hundred sixty-three thousand, eight hundred twenty".