27428012348 has 72 divisors (see below), whose sum is σ = 55570064256. Its totient is φ = 11813259040.

The previous prime is 27428012329. The next prime is 27428012387. The reversal of 27428012348 is 84321082472.

It is a super-2 number, since 2×27428012348² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1179611 + ... + 1202637.

It is an arithmetic number, because the mean of its divisors is an integer number (771806448).

Almost surely, 2^27428012348 is an apocalyptic number.

It is an amenable number.

27428012348 is an abundant number, since it is smaller than the sum of its proper divisors (28142051908).

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

27428012348 is a wasteful number, since it uses less digits than its factorization.

27428012348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23183 (or 23170 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 41.

The spelling of 27428012348 in words is "twenty-seven billion, four hundred twenty-eight million, twelve thousand, three hundred forty-eight".