26749948552 has 8 divisors (see below), whose sum is σ = 50156153550. Its totient is φ = 13374974272.

The previous prime is 26749948507. The next prime is 26749948559. The reversal of 26749948552 is 25584994762.

It can be written as a sum of positive squares in only one way, i.e., 26749910916 + 37636 = 163554^2 + 194^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (26749948559) 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 as a sum of consecutive naturals, namely, 1671871777 + ... + 1671871792.

Almost surely, 2^26749948552 is an apocalyptic number.

It is an amenable number.

26749948552 is a deficient number, since it is larger than the sum of its proper divisors (23406204998).

26749948552 is a wasteful number, since it uses less digits than its factorization.

26749948552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3343743575 (or 3343743571 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 61.

The spelling of 26749948552 in words is "twenty-six billion, seven hundred forty-nine million, nine hundred forty-eight thousand, five hundred fifty-two".