28041814128 has 20 divisors (see below), whose sum is σ = 72441353288. Its totient is φ = 9347271360.

The previous prime is 28041814127. The next prime is 28041814187. The reversal of 28041814128 is 82141814082.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28041814127) 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, 292102183 + ... + 292102278.

Almost surely, 2^28041814128 is an apocalyptic number.

It is an amenable number.

28041814128 is an abundant number, since it is smaller than the sum of its proper divisors (44399539160).

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

28041814128 is a wasteful number, since it uses less digits than its factorization.

28041814128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584204472 (or 584204466 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 39.

The spelling of 28041814128 in words is "twenty-eight billion, forty-one million, eight hundred fourteen thousand, one hundred twenty-eight".