26318628 has 96 divisors (see below), whose sum is σ = 80568320. Its totient is φ = 7270560.

The previous prime is 26318627. The next prime is 26318639. The reversal of 26318628 is 82681362.

26318628 is a `hidden beast` number, since 26 + 3 + 1 + 8 + 628 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 26318592 and 26318601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26318627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22875 + ... + 23997.

Almost surely, 2^26318628 is an apocalyptic number.

26318628 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 26318628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40284160).

26318628 is an abundant number, since it is smaller than the sum of its proper divisors (54249692).

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

26318628 is a wasteful number, since it uses less digits than its factorization.

26318628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174 (or 1166 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 26318628 is about 5130.1684182880. The cubic root of 26318628 is about 297.4548687512.

The spelling of 26318628 in words is "twenty-six million, three hundred eighteen thousand, six hundred twenty-eight".