26940090 has 32 divisors (see below), whose sum is σ = 64875456. Its totient is φ = 7159680.

The previous prime is 26940083. The next prime is 26940103. The reversal of 26940090 is 9004962.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 8574 + ... + 11286.

It is an arithmetic number, because the mean of its divisors is an integer number (2027358).

Almost surely, 2^26940090 is an apocalyptic number.

26940090 is an abundant number, since it is smaller than the sum of its proper divisors (37935366).

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

26940090 is a wasteful number, since it uses less digits than its factorization.

26940090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 26940090 is about 5190.3843788298. The cubic root of 26940090 is about 299.7779467929. Note that the first 3 decimals are identical.

The spelling of 26940090 in words is "twenty-six million, nine hundred forty thousand, ninety".