26550720 has 224 divisors, whose sum is σ = 107289600. Its totient is φ = 6054912.

The previous prime is 26550701. The next prime is 26550731. The reversal of 26550720 is 2705562.

26550720 is a `hidden beast` number, since 2 + 655 + 0 + 7 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60261 + ... + 60699.

Almost surely, 2^26550720 is an apocalyptic number.

26550720 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 26550720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53644800).

26550720 is an abundant number, since it is smaller than the sum of its proper divisors (80738880).

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

26550720 is a wasteful number, since it uses less digits than its factorization.

26550720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 26550720 is about 5152.7390774228. The cubic root of 26550720 is about 298.3266840654.

The spelling of 26550720 in words is "twenty-six million, five hundred fifty thousand, seven hundred twenty".