26345094644 has 48 divisors (see below), whose sum is σ = 51994958400. Its totient is φ = 11575699200.

The previous prime is 26345094623. The next prime is 26345094649. The reversal of 26345094644 is 44649054362.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26345094649) 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 15 ways as a sum of consecutive naturals, for example, 129647 + ... + 263625.

It is an arithmetic number, because the mean of its divisors is an integer number (1083228300).

Almost surely, 2^26345094644 is an apocalyptic number.

It is an amenable number.

26345094644 is a deficient number, since it is larger than the sum of its proper divisors (25649863756).

26345094644 is a wasteful number, since it uses less digits than its factorization.

26345094644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134144 (or 134142 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 47.

The spelling of 26345094644 in words is "twenty-six billion, three hundred forty-five million, ninety-four thousand, six hundred forty-four".