26662480 has 80 divisors (see below), whose sum is σ = 68995584. Its totient is φ = 9515520.

The previous prime is 26662457. The next prime is 26662591. The reversal of 26662480 is 8426662.

It is a tau number, because it is divible by the number of its divisors (80).

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, 31827 + ... + 32653.

Almost surely, 2^26662480 is an apocalyptic number.

26662480 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 26662480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34497792).

26662480 is an abundant number, since it is smaller than the sum of its proper divisors (42333104).

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

26662480 is a wasteful number, since it uses less digits than its factorization.

26662480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884 (or 878 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 26662480 is about 5163.5724067742. The cubic root of 26662480 is about 298.7446804956.

The spelling of 26662480 in words is "twenty-six million, six hundred sixty-two thousand, four hundred eighty".