26662420443 has 8 divisors (see below), whose sum is σ = 35551854400. Its totient is φ = 17773966728.

The previous prime is 26662420439. The next prime is 26662420451. The reversal of 26662420443 is 34402426662.

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

It is not a de Polignac number, because 26662420443 - 2² = 26662420439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26662422443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179053 + ... + 292206.

It is an arithmetic number, because the mean of its divisors is an integer number (4443981800).

Almost surely, 2^26662420443 is an apocalyptic number.

26662420443 is a deficient number, since it is larger than the sum of its proper divisors (8889433957).

26662420443 is a wasteful number, since it uses less digits than its factorization.

26662420443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490121.

The product of its (nonzero) digits is 331776, while the sum is 39.

The spelling of 26662420443 in words is "twenty-six billion, six hundred sixty-two million, four hundred twenty thousand, four hundred forty-three".