26630856 has 192 divisors, whose sum is σ = 90854400. Its totient is φ = 7138368.

The previous prime is 26630843. The next prime is 26630881. The reversal of 26630856 is 65803662.

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

It is a self number, because there is not a number n which added to its sum of digits gives 26630856.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 258501 + ... + 258603.

It is an arithmetic number, because the mean of its divisors is an integer number (473200).

Almost surely, 2^26630856 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 26630856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45427200).

26630856 is an abundant number, since it is smaller than the sum of its proper divisors (64223544).

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

26630856 is a wasteful number, since it uses less digits than its factorization.

26630856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 26630856 is about 5160.5092771935. The cubic root of 26630856 is about 298.6265214518.

The spelling of 26630856 in words is "twenty-six million, six hundred thirty thousand, eight hundred fifty-six".