26342011620 has 288 divisors, whose sum is σ = 85580022528. Its totient is φ = 6796472832.

The previous prime is 26342011613. The next prime is 26342011667. The reversal of 26342011620 is 2611024362.

26342011620 is a `hidden beast` number, since 2 + 6 + 3 + 4 + 20 + 11 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 47292382 + ... + 47292938.

It is an arithmetic number, because the mean of its divisors is an integer number (297152856).

Almost surely, 2^26342011620 is an apocalyptic number.

26342011620 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 26342011620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42790011264).

26342011620 is an abundant number, since it is smaller than the sum of its proper divisors (59238010908).

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

26342011620 is a wasteful number, since it uses less digits than its factorization.

26342011620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881 (or 867 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 26342011620 its reverse (2611024362), we get a palindrome (28953035982).

The spelling of 26342011620 in words is "twenty-six billion, three hundred forty-two million, eleven thousand, six hundred twenty".