27641558028 has 48 divisors (see below), whose sum is σ = 73922105600. Its totient is φ = 7874950464.

The previous prime is 27641558011. The next prime is 27641558047. The reversal of 27641558028 is 82085514672.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442126 + ... + 500757.

Almost surely, 2^27641558028 is an apocalyptic number.

27641558028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27641558028 is an abundant number, since it is smaller than the sum of its proper divisors (46280547572).

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

27641558028 is a wasteful number, since it uses less digits than its factorization.

27641558028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943246 (or 943244 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 48.

The spelling of 27641558028 in words is "twenty-seven billion, six hundred forty-one million, five hundred fifty-eight thousand, twenty-eight".