26930255 has 32 divisors (see below), whose sum is σ = 36875520. Its totient is φ = 18708480.

The previous prime is 26930251. The next prime is 26930257. The reversal of 26930255 is 55203962.

It is not a de Polignac number, because 26930255 - 2² = 26930251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26930251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139439 + ... + 139631.

It is an arithmetic number, because the mean of its divisors is an integer number (1152360).

Almost surely, 2^26930255 is an apocalyptic number.

26930255 is a deficient number, since it is larger than the sum of its proper divisors (9945265).

26930255 is a wasteful number, since it uses less digits than its factorization.

26930255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 26930255 is about 5189.4368673296. The cubic root of 26930255 is about 299.7414624436.

It can be divided in two parts, 269 and 30255, that multiplied together give a triangular number (8138595 = T₄₀₃₄).

The spelling of 26930255 in words is "twenty-six million, nine hundred thirty thousand, two hundred fifty-five".