26621941248 has 320 divisors, whose sum is σ = 95363896320. Its totient is φ = 7158398976.

The previous prime is 26621941211. The next prime is 26621941349. The reversal of 26621941248 is 84214912662.

It is a happy number.

26621941248 is a `hidden beast` number, since 2 + 6 + 621 + 9 + 4 + 12 + 4 + 8 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1636965 + ... + 1653147.

It is an arithmetic number, because the mean of its divisors is an integer number (298012176).

Almost surely, 2^26621941248 is an apocalyptic number.

26621941248 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 26621941248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47681948160).

26621941248 is an abundant number, since it is smaller than the sum of its proper divisors (68741955072).

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

26621941248 is a wasteful number, since it uses less digits than its factorization.

26621941248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16234 (or 16212 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The spelling of 26621941248 in words is "twenty-six billion, six hundred twenty-one million, nine hundred forty-one thousand, two hundred forty-eight".