26266290 has 16 divisors (see below), whose sum is σ = 63039168. Its totient is φ = 7004336.

The previous prime is 26266283. The next prime is 26266291. The reversal of 26266290 is 9266262.

It is a super-3 number, since 3×26266290³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (26266291) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 437742 + ... + 437801.

It is an arithmetic number, because the mean of its divisors is an integer number (3939948).

Almost surely, 2^26266290 is an apocalyptic number.

26266290 is an abundant number, since it is smaller than the sum of its proper divisors (36772878).

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

26266290 is a wasteful number, since it uses less digits than its factorization.

26266290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875553.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 26266290 is about 5125.0648776381. The cubic root of 26266290 is about 297.2575620612.

The spelling of 26266290 in words is "twenty-six million, two hundred sixty-six thousand, two hundred ninety".