26835313980 has 96 divisors (see below), whose sum is σ = 76535101440. Its totient is φ = 7023617280.

The previous prime is 26835313957. The next prime is 26835313997. The reversal of 26835313980 is 8931353862.

It is a happy number.

It is a congruent number.

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, 1745487 + ... + 1760793.

It is an arithmetic number, because the mean of its divisors is an integer number (797240640).

Almost surely, 2^26835313980 is an apocalyptic number.

26835313980 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 26835313980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38267550720).

26835313980 is an abundant number, since it is smaller than the sum of its proper divisors (49699787460).

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

26835313980 is a wasteful number, since it uses less digits than its factorization.

26835313980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15859 (or 15857 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 26835313980 in words is "twenty-six billion, eight hundred thirty-five million, three hundred thirteen thousand, nine hundred eighty".