26406030243 has 8 divisors (see below), whose sum is σ = 36422110800. Its totient is φ = 16996984928.

The previous prime is 26406030239. The next prime is 26406030251. The reversal of 26406030243 is 34203060462.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 26406030243 - 2² = 26406030239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26406030243.

It is not an unprimeable number, because it can be changed into a prime (26406030263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151758708 + ... + 151758881.

It is an arithmetic number, because the mean of its divisors is an integer number (4552763850).

Almost surely, 2^26406030243 is an apocalyptic number.

26406030243 is a deficient number, since it is larger than the sum of its proper divisors (10016080557).

26406030243 is a wasteful number, since it uses less digits than its factorization.

26406030243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303517621.

The product of its (nonzero) digits is 20736, while the sum is 30.

The spelling of 26406030243 in words is "twenty-six billion, four hundred six million, thirty thousand, two hundred forty-three".