26133890 has 8 divisors (see below), whose sum is σ = 47041020. Its totient is φ = 10453552.

The previous prime is 26133889. The next prime is 26133917. The reversal of 26133890 is 9833162.

It can be written as a sum of positive squares in 2 ways, for example, as 26081449 + 52441 = 5107^2 + 229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1306685 + ... + 1306704.

Almost surely, 2^26133890 is an apocalyptic number.

26133890 is a deficient number, since it is larger than the sum of its proper divisors (20907130).

26133890 is a wasteful number, since it uses less digits than its factorization.

26133890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613396.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 26133890 is about 5112.1316493220. The cubic root of 26133890 is about 296.7572602731.

The spelling of 26133890 in words is "twenty-six million, one hundred thirty-three thousand, eight hundred ninety".