428278682288 has 80 divisors (see below), whose sum is σ = 884910353184. Its totient is φ = 200100741120.

The previous prime is 428278682287. The next prime is 428278682309. The reversal of 428278682288 is 882286872824.

It is not an unprimeable number, because it can be changed into a prime (428278682281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22081331 + ... + 22100717.

Almost surely, 2^428278682288 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 428278682288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442455176592).

428278682288 is an abundant number, since it is smaller than the sum of its proper divisors (456631670896).

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

428278682288 is a wasteful number, since it uses less digits than its factorization.

428278682288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19990 (or 19984 counting only the distinct ones).

The product of its digits is 88080384, while the sum is 65.

The spelling of 428278682288 in words is "four hundred twenty-eight billion, two hundred seventy-eight million, six hundred eighty-two thousand, two hundred eighty-eight".