26033490 has 144 divisors (see below), whose sum is σ = 81791424. Its totient is φ = 5624640.

The previous prime is 26033473. The next prime is 26033509. The reversal of 26033490 is 9433062.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 605409 + ... + 605451.

It is an arithmetic number, because the mean of its divisors is an integer number (567996).

Almost surely, 2^26033490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26033490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40895712).

26033490 is an abundant number, since it is smaller than the sum of its proper divisors (55757934).

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

26033490 is a wasteful number, since it uses less digits than its factorization.

26033490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 26033490 is about 5102.3024214564. The cubic root of 26033490 is about 296.3767496938.

The spelling of 26033490 in words is "twenty-six million, thirty-three thousand, four hundred ninety".