26331480 has 256 divisors, whose sum is σ = 103910400. Its totient is φ = 5878656.

The previous prime is 26331439. The next prime is 26331491. The reversal of 26331480 is 8413362.

It is a happy number.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 612339 + ... + 612381.

It is an arithmetic number, because the mean of its divisors is an integer number (405900).

Almost surely, 2^26331480 is an apocalyptic number.

26331480 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 26331480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51955200).

26331480 is an abundant number, since it is smaller than the sum of its proper divisors (77578920).

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

26331480 is an equidigital number, since it uses as much as digits as its factorization.

26331480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 26331480 is about 5131.4208558644. The cubic root of 26331480 is about 297.5032789225.

The spelling of 26331480 in words is "twenty-six million, three hundred thirty-one thousand, four hundred eighty".