26442434555 has 8 divisors (see below), whose sum is σ = 31731994944. Its totient is φ = 21153232000.

The previous prime is 26442434533. The next prime is 26442434597. The reversal of 26442434555 is 55543424462.

It is a happy number.

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

It is not a de Polignac number, because 26442434555 - 2⁸ = 26442434299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 116030 + ... + 257580.

It is an arithmetic number, because the mean of its divisors is an integer number (3966499368).

Almost surely, 2^26442434555 is an apocalyptic number.

26442434555 is a deficient number, since it is larger than the sum of its proper divisors (5289560389).

26442434555 is a wasteful number, since it uses less digits than its factorization.

26442434555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178917.

The product of its digits is 2304000, while the sum is 44.

The spelling of 26442434555 in words is "twenty-six billion, four hundred forty-two million, four hundred thirty-four thousand, five hundred fifty-five".