26340247489 has 8 divisors (see below), whose sum is σ = 26527188800. Its totient is φ = 26153549136.

The previous prime is 26340247487. The next prime is 26340247529. The reversal of 26340247489 is 98474204362.

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 26340247489 - 2¹ = 26340247487 is a prime.

It is a super-3 number, since 3×26340247489³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26340247481) 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, 159682 + ... + 279604.

It is an arithmetic number, because the mean of its divisors is an integer number (3315898600).

Almost surely, 2^26340247489 is an apocalyptic number.

It is an amenable number.

26340247489 is a deficient number, since it is larger than the sum of its proper divisors (186941311).

26340247489 is a wasteful number, since it uses less digits than its factorization.

26340247489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121479.

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 26340247489 in words is "twenty-six billion, three hundred forty million, two hundred forty-seven thousand, four hundred eighty-nine".