26758980 has 72 divisors (see below), whose sum is σ = 82922112. Its totient is φ = 6981696.

The previous prime is 26758939. The next prime is 26758993. The reversal of 26758980 is 8985762.

26758980 is a `hidden beast` number, since 2 + 67 + 589 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6879 + ... + 10041.

It is an arithmetic number, because the mean of its divisors is an integer number (1151696).

Almost surely, 2^26758980 is an apocalyptic number.

26758980 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 26758980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41461056).

26758980 is an abundant number, since it is smaller than the sum of its proper divisors (56163132).

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

26758980 is a wasteful number, since it uses less digits than its factorization.

26758980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3225 (or 3220 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 26758980 is about 5172.9082729157. The cubic root of 26758980 is about 299.1046639025.

The spelling of 26758980 in words is "twenty-six million, seven hundred fifty-eight thousand, nine hundred eighty".