27028503408 has 20 divisors (see below), whose sum is σ = 69823633928. Its totient is φ = 9009501120.

The previous prime is 27028503407. The next prime is 27028503413. The reversal of 27028503408 is 80430582072.

It is a super-2 number, since 2×27028503408² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27028503407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281546863 + ... + 281546958.

Almost surely, 2^27028503408 is an apocalyptic number.

It is an amenable number.

27028503408 is an abundant number, since it is smaller than the sum of its proper divisors (42795130520).

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

27028503408 is a wasteful number, since it uses less digits than its factorization.

27028503408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563093832 (or 563093826 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 27028503408 in words is "twenty-seven billion, twenty-eight million, five hundred three thousand, four hundred eight".