27402811443 has 12 divisors (see below), whose sum is σ = 45236387248. Its totient is φ = 15658749360.

The previous prime is 27402811357. The next prime is 27402811483. The reversal of 27402811443 is 34411820472.

It is not a de Polignac number, because 27402811443 - 2⁸ = 27402811187 is a prime.

It is a super-2 number, since 2×27402811443² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27402811398 and 27402811407.

It is not an unprimeable number, because it can be changed into a prime (27402811483) 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 11 ways as a sum of consecutive naturals, for example, 217482568 + ... + 217482693.

Almost surely, 2^27402811443 is an apocalyptic number.

27402811443 is a deficient number, since it is larger than the sum of its proper divisors (17833575805).

27402811443 is a wasteful number, since it uses less digits than its factorization.

27402811443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434965274 (or 434965271 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The spelling of 27402811443 in words is "twenty-seven billion, four hundred two million, eight hundred eleven thousand, four hundred forty-three".