26738139476 has 12 divisors (see below), whose sum is σ = 46793034708. Its totient is φ = 13368700992.

The previous prime is 26738139473. The next prime is 26738139487. The reversal of 26738139476 is 67493183762.

It can be written as a sum of positive squares in 2 ways, for example, as 6538339600 + 20199799876 = 80860^2 + 142126^2 .

It is a super-3 number, since 3×26738139476³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26738139473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131000 + ... + 265776.

It is an arithmetic number, because the mean of its divisors is an integer number (3899419559).

Almost surely, 2^26738139476 is an apocalyptic number.

It is an amenable number.

26738139476 is a deficient number, since it is larger than the sum of its proper divisors (20054895232).

26738139476 is a wasteful number, since it uses less digits than its factorization.

26738139476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184378 (or 184376 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 56.

The spelling of 26738139476 in words is "twenty-six billion, seven hundred thirty-eight million, one hundred thirty-nine thousand, four hundred seventy-six".