26220769848 has 480 divisors, whose sum is σ = 92869484400. Its totient is φ = 6850593792.

The previous prime is 26220769847. The next prime is 26220769849. The reversal of 26220769848 is 84896702262.

26220769848 is a `hidden beast` number, since 2 + 622 + 0 + 7 + 6 + 9 + 8 + 4 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (26220769847) and next prime (26220769849).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 26220769794 and 26220769803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26220769847) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 57375636 + ... + 57376092.

Almost surely, 2^26220769848 is an apocalyptic number.

26220769848 is a gapful number since it is divisible by the number (28) 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 26220769848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46434742200).

26220769848 is an abundant number, since it is smaller than the sum of its proper divisors (66648714552).

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

26220769848 is a wasteful number, since it uses less digits than its factorization.

26220769848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 26220769848 in words is "twenty-six billion, two hundred twenty million, seven hundred sixty-nine thousand, eight hundred forty-eight".