26456680 has 16 divisors (see below), whose sum is σ = 59527620. Its totient is φ = 10582656.

The previous prime is 26456669. The next prime is 26456687. The reversal of 26456680 is 8665462.

It can be written as a sum of positive squares in 2 ways, for example, as 22638564 + 3818116 = 4758^2 + 1954^2 .

It is not an unprimeable number, because it can be changed into a prime (26456687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330669 + ... + 330748.

Almost surely, 2^26456680 is an apocalyptic number.

26456680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26456680 is an abundant number, since it is smaller than the sum of its proper divisors (33070940).

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

26456680 is a wasteful number, since it uses less digits than its factorization.

26456680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661428 (or 661424 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 26456680 is about 5143.6057391678. The cubic root of 26456680 is about 297.9740529636.

The spelling of 26456680 in words is "twenty-six million, four hundred fifty-six thousand, six hundred eighty".