27428268224 has 42 divisors (see below), whose sum is σ = 63314176140. Its totient is φ = 11754970752.

The previous prime is 27428268211. The next prime is 27428268253. The reversal of 27428268224 is 42286282472.

It is a super-2 number, since 2×27428268224² (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 5 ways as a sum of consecutive naturals, for example, 4369994 + ... + 4376265.

Almost surely, 2^27428268224 is an apocalyptic number.

It is an amenable number.

27428268224 is an abundant number, since it is smaller than the sum of its proper divisors (35885907916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27428268224 is an equidigital number, since it uses as much as digits as its factorization.

27428268224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8746285 (or 8746268 counting only the distinct ones).

The product of its digits is 1376256, while the sum is 47.

The spelling of 27428268224 in words is "twenty-seven billion, four hundred twenty-eight million, two hundred sixty-eight thousand, two hundred twenty-four".