428788887824 has 40 divisors (see below), whose sum is σ = 906355531200. Its totient is φ = 194892912000.

The previous prime is 428788887811. The next prime is 428788887853.

428788887824 is nontrivially palindromic in base 10.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3557702 + ... + 3676250.

It is an arithmetic number, because the mean of its divisors is an integer number (22658888280).

Almost surely, 2^428788887824 is an apocalyptic number.

428788887824 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

428788887824 is an abundant number, since it is smaller than the sum of its proper divisors (477566643376).

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

428788887824 is a wasteful number, since it uses less digits than its factorization.

428788887824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139119 (or 139113 counting only the distinct ones).

The product of its digits is 822083584, while the sum is 74.

The spelling of 428788887824 in words is "four hundred twenty-eight billion, seven hundred eighty-eight million, eight hundred eighty-seven thousand, eight hundred twenty-four".