28418040888 has 128 divisors (see below), whose sum is σ = 76507441920. Its totient is φ = 8763955200.

The previous prime is 28418040877. The next prime is 28418040901. The reversal of 28418040888 is 88804081482.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 28418040888.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19161795 + ... + 19163277.

It is an arithmetic number, because the mean of its divisors is an integer number (597714390).

Almost surely, 2^28418040888 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 28418040888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38253720960).

28418040888 is an abundant number, since it is smaller than the sum of its proper divisors (48089401032).

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

28418040888 is a wasteful number, since it uses less digits than its factorization.

28418040888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277 (or 2273 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 51.

The spelling of 28418040888 in words is "twenty-eight billion, four hundred eighteen million, forty thousand, eight hundred eighty-eight".