28029641361804 has 120 divisors (see below), whose sum is σ = 73475434560528. Its totient is φ = 9317693399040.

The previous prime is 28029641361797. The next prime is 28029641361829. The reversal of 28029641361804 is 40816314692082.

28029641361804 is a `hidden beast` number, since 2 + 8 + 0 + 2 + 9 + 6 + 4 + 13 + 618 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 177906447 + ... + 178063929.

Almost surely, 2^{28029641361804} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28029641361804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36737717280264).

28029641361804 is an abundant number, since it is smaller than the sum of its proper divisors (45445793198724).

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

28029641361804 is a wasteful number, since it uses less digits than its factorization.

28029641361804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158997 (or 158986 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 28029641361804 in words is "twenty-eight trillion, twenty-nine billion, six hundred forty-one million, three hundred sixty-one thousand, eight hundred four".