26980800 has 336 divisors, whose sum is σ = 111873792. Its totient is φ = 5529600.

The previous prime is 26980787. The next prime is 26980801. The reversal of 26980800 is 808962.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26980801) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 369564 + ... + 369636.

Almost surely, 2^26980800 is an apocalyptic number.

26980800 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 26980800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55936896).

26980800 is an abundant number, since it is smaller than the sum of its proper divisors (84892992).

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

26980800 is a wasteful number, since it uses less digits than its factorization.

26980800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 26980800 is about 5194.3045732802. The cubic root of 26980800 is about 299.9288720263.

The spelling of 26980800 in words is "twenty-six million, nine hundred eighty thousand, eight hundred".