27228236028 has 96 divisors (see below), whose sum is σ = 73036712448. Its totient is φ = 7733760000.

The previous prime is 27228236017. The next prime is 27228236029. The reversal of 27228236028 is 82063282272.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27228236029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16044076 + ... + 16045772.

It is an arithmetic number, because the mean of its divisors is an integer number (760799088).

Almost surely, 2^27228236028 is an apocalyptic number.

27228236028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27228236028 is an abundant number, since it is smaller than the sum of its proper divisors (45808476420).

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

27228236028 is a wasteful number, since it uses less digits than its factorization.

27228236028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2723 (or 2721 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The spelling of 27228236028 in words is "twenty-seven billion, two hundred twenty-eight million, two hundred thirty-six thousand, twenty-eight".