26668834541952 has 512 divisors, whose sum is σ = 79404286832640. Its totient is φ = 7893516288000.

The previous prime is 26668834541803. The next prime is 26668834542023. The reversal of 26668834541952 is 25914543886662.

It is a super-2 number, since 2×26668834541952² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1162383793 + ... + 1162406735.

It is an arithmetic number, because the mean of its divisors is an integer number (155086497720).

Almost surely, 2^{26668834541952} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26668834541952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39702143416320).

26668834541952 is an abundant number, since it is smaller than the sum of its proper divisors (52735452290688).

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

26668834541952 is a wasteful number, since it uses less digits than its factorization.

26668834541952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23162 (or 23150 counting only the distinct ones).

The product of its digits is 597196800, while the sum is 69.

The spelling of 26668834541952 in words is "twenty-six trillion, six hundred sixty-eight billion, eight hundred thirty-four million, five hundred forty-one thousand, nine hundred fifty-two".