26382548644 has 12 divisors (see below), whose sum is σ = 46371075100. Its totient is φ = 13133670048.

The previous prime is 26382548603. The next prime is 26382548663. The reversal of 26382548644 is 44684528362.

It can be written as a sum of positive squares in 2 ways, for example, as 12805638244 + 13576910400 = 113162^2 + 116520^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 26382548591 and 26382548600.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14400039 + ... + 14401870.

Almost surely, 2^26382548644 is an apocalyptic number.

It is an amenable number.

26382548644 is a deficient number, since it is larger than the sum of its proper divisors (19988526456).

26382548644 is a wasteful number, since it uses less digits than its factorization.

26382548644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28802142 (or 28802140 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 52.

The spelling of 26382548644 in words is "twenty-six billion, three hundred eighty-two million, five hundred forty-eight thousand, six hundred forty-four".