26994220238 has 8 divisors (see below), whose sum is σ = 41797502400. Its totient is φ = 13061719440.

The previous prime is 26994220237. The next prime is 26994220243. The reversal of 26994220238 is 83202249962.

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

It is a junction number, because it is equal to n+sod(n) for n = 26994220192 and 26994220201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26994220237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217695263 + ... + 217695386.

It is an arithmetic number, because the mean of its divisors is an integer number (5224687800).

Almost surely, 2^26994220238 is an apocalyptic number.

26994220238 is a deficient number, since it is larger than the sum of its proper divisors (14803282162).

26994220238 is a wasteful number, since it uses less digits than its factorization.

26994220238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435390682.

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 26994220238 in words is "twenty-six billion, nine hundred ninety-four million, two hundred twenty thousand, two hundred thirty-eight".