26668432 has 40 divisors (see below), whose sum is σ = 60964352. Its totient is φ = 11059200.

The previous prime is 26668423. The next prime is 26668459. The reversal of 26668432 is 23486662.

It is a super-2 number, since 2×26668432² = 1422410530677248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26668391 and 26668400.

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 7 ways as a sum of consecutive naturals, for example, 369 + ... + 7312.

Almost surely, 2^26668432 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 26668432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30482176).

26668432 is an abundant number, since it is smaller than the sum of its proper divisors (34295920).

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

26668432 is a wasteful number, since it uses less digits than its factorization.

26668432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7727 (or 7721 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 26668432 is about 5164.1487197795. The cubic root of 26668432 is about 298.7669089360.

The spelling of 26668432 in words is "twenty-six million, six hundred sixty-eight thousand, four hundred thirty-two".