27427026408 has 32 divisors (see below), whose sum is σ = 70420745760. Its totient is φ = 8895251520.

The previous prime is 27427026373. The next prime is 27427026413. The reversal of 27427026408 is 80462072472.

It is a self number, because there is not a number n which added to its sum of digits gives 27427026408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15442258 + ... + 15444033.

It is an arithmetic number, because the mean of its divisors is an integer number (2200648305).

Almost surely, 2^27427026408 is an apocalyptic number.

It is an amenable number.

27427026408 is an abundant number, since it is smaller than the sum of its proper divisors (42993719352).

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

27427026408 is a wasteful number, since it uses less digits than its factorization.

27427026408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30886337 (or 30886333 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 42.

The spelling of 27427026408 in words is "twenty-seven billion, four hundred twenty-seven million, twenty-six thousand, four hundred eight".