26830393344 has 520 divisors, whose sum is σ = 87344630208. Its totient is φ = 8174960640.

The previous prime is 26830393313. The next prime is 26830393357. The reversal of 26830393344 is 44339303862.

26830393344 is a `hidden beast` number, since 2 + 6 + 8 + 303 + 9 + 334 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 26830393344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 377892829 + ... + 377892899.

Almost surely, 2^26830393344 is an apocalyptic number.

26830393344 is a gapful number since it is divisible by the number (24) 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 26830393344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43672315104).

26830393344 is an abundant number, since it is smaller than the sum of its proper divisors (60514236864).

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

26830393344 is an equidigital number, since it uses as much as digits as its factorization.

26830393344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 45.

The spelling of 26830393344 in words is "twenty-six billion, eight hundred thirty million, three hundred ninety-three thousand, three hundred forty-four".