28354414528 has 112 divisors (see below), whose sum is σ = 63638582400. Its totient is φ = 12416302080.

The previous prime is 28354414519. The next prime is 28354414531. The reversal of 28354414528 is 82541445382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11166283 + ... + 11168821.

Almost surely, 2^28354414528 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 28354414528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31819291200).

28354414528 is an abundant number, since it is smaller than the sum of its proper divisors (35284167872).

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

28354414528 is a wasteful number, since it uses less digits than its factorization.

28354414528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138 (or 3128 counting only the distinct ones).

The product of its digits is 1228800, while the sum is 46.

The spelling of 28354414528 in words is "twenty-eight billion, three hundred fifty-four million, four hundred fourteen thousand, five hundred twenty-eight".