26668421120 has 208 divisors, whose sum is σ = 71463788352. Its totient is φ = 9468641280.

The previous prime is 26668421111. The next prime is 26668421173. The reversal of 26668421120 is 2112486662.

It is a super-2 number, since 2×26668421120² (a number of 22 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 15 ways as a sum of consecutive naturals, for example, 9685664 + ... + 9688416.

Almost surely, 2^26668421120 is an apocalyptic number.

26668421120 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 26668421120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35731894176).

26668421120 is an abundant number, since it is smaller than the sum of its proper divisors (44795367232).

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

26668421120 is a wasteful number, since it uses less digits than its factorization.

26668421120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836 (or 2814 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 26668421120 in words is "twenty-six billion, six hundred sixty-eight million, four hundred twenty-one thousand, one hundred twenty".