26478228 has 60 divisors (see below), whose sum is σ = 72153760. Its totient is φ = 7556976.

The previous prime is 26478211. The next prime is 26478253. The reversal of 26478228 is 82287462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28353 + ... + 29271.

Almost surely, 2^26478228 is an apocalyptic number.

26478228 is a gapful number since it is divisible by the number (28) 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 26478228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36076880).

26478228 is an abundant number, since it is smaller than the sum of its proper divisors (45675532).

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

26478228 is an equidigital number, since it uses as much as digits as its factorization.

26478228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954 (or 931 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 26478228 is about 5145.6999523874. The cubic root of 26478228 is about 298.0549273405.

The spelling of 26478228 in words is "twenty-six million, four hundred seventy-eight thousand, two hundred twenty-eight".