27241778468 has 12 divisors (see below), whose sum is σ = 47825424780. Its totient is φ = 13577371392.

The previous prime is 27241778359. The next prime is 27241778483. The reversal of 27241778468 is 86487714272.

It can be written as a sum of positive squares in 2 ways, for example, as 1807270144 + 25434508324 = 42512^2 + 159482^2 .

It is a super-2 number, since 2×27241778468² (a number of 22 digits) contains 22 as substring.

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, 10878053 + ... + 10880556.

It is an arithmetic number, because the mean of its divisors is an integer number (3985452065).

Almost surely, 2^27241778468 is an apocalyptic number.

It is an amenable number.

27241778468 is a deficient number, since it is larger than the sum of its proper divisors (20583646312).

27241778468 is a wasteful number, since it uses less digits than its factorization.

27241778468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21758926 (or 21758924 counting only the distinct ones).

The product of its digits is 8429568, while the sum is 56.

The spelling of 27241778468 in words is "twenty-seven billion, two hundred forty-one million, seven hundred seventy-eight thousand, four hundred sixty-eight".