26668896 has 48 divisors (see below), whose sum is σ = 70870464. Its totient is φ = 8779904.

The previous prime is 26668883. The next prime is 26668907. The reversal of 26668896 is 69886662.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×26668896² = 1422460027717632, which 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 7 ways as a sum of consecutive naturals, for example, 6295 + ... + 9641.

It is an arithmetic number, because the mean of its divisors is an integer number (1476468).

Almost surely, 2^26668896 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 26668896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35435232).

26668896 is an abundant number, since it is smaller than the sum of its proper divisors (44201568).

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

26668896 is a wasteful number, since it uses less digits than its factorization.

26668896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3443 (or 3435 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 51.

The square root of 26668896 is about 5164.1936447039. The cubic root of 26668896 is about 298.7686416593.

It can be divided in two parts, 2666889 and 6, that added together give a triangular number (2666895 = T₂₃₀₉).

The spelling of 26668896 in words is "twenty-six million, six hundred sixty-eight thousand, eight hundred ninety-six".