26103980 has 48 divisors (see below), whose sum is σ = 63153216. Its totient is φ = 8878080.

The previous prime is 26103949. The next prime is 26103991. The reversal of 26103980 is 8930162.

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 15 ways as a sum of consecutive naturals, for example, 18500 + ... + 19860.

It is an arithmetic number, because the mean of its divisors is an integer number (1315692).

Almost surely, 2^26103980 is an apocalyptic number.

26103980 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 26103980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31576608).

26103980 is an abundant number, since it is smaller than the sum of its proper divisors (37049236).

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

26103980 is a wasteful number, since it uses less digits than its factorization.

26103980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514 (or 1512 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 26103980 is about 5109.2054176750. The cubic root of 26103980 is about 296.6440050582.

The spelling of 26103980 in words is "twenty-six million, one hundred three thousand, nine hundred eighty".