28741341888 has 448 divisors, whose sum is σ = 100071936000. Its totient is φ = 7917834240.

The previous prime is 28741341883. The next prime is 28741341901. The reversal of 28741341888 is 88814314782.

It is a tau number, because it is divible by the number of its divisors (448).

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (28741341883) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66685033 + ... + 66685463.

Almost surely, 2^28741341888 is an apocalyptic number.

28741341888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28741341888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50035968000).

28741341888 is an abundant number, since it is smaller than the sum of its proper divisors (71330594112).

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

28741341888 is a wasteful number, since it uses less digits than its factorization.

28741341888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 629 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 54.

The spelling of 28741341888 in words is "twenty-eight billion, seven hundred forty-one million, three hundred forty-one thousand, eight hundred eighty-eight".