26434665444 has 48 divisors (see below), whose sum is σ = 67818110976. Its totient is φ = 7947424800.

The previous prime is 26434665427. The next prime is 26434665487. The reversal of 26434665444 is 44456643462.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 26434665393 and 26434665402.

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 15 ways as a sum of consecutive naturals, for example, 771672 + ... + 805199.

It is an arithmetic number, because the mean of its divisors is an integer number (1412877312).

Almost surely, 2^26434665444 is an apocalyptic number.

It is an amenable number.

26434665444 is an abundant number, since it is smaller than the sum of its proper divisors (41383445532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26434665444 is a wasteful number, since it uses less digits than its factorization.

26434665444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577016 (or 1577014 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 48.

The spelling of 26434665444 in words is "twenty-six billion, four hundred thirty-four million, six hundred sixty-five thousand, four hundred forty-four".