428055550824 has 64 divisors (see below), whose sum is σ = 1167872207040. Its totient is φ = 129664028160.

The previous prime is 428055550801. The next prime is 428055550829.

428055550824 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (428055550829) 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, 381102 + ... + 1000674.

It is an arithmetic number, because the mean of its divisors is an integer number (18248003235).

Almost surely, 2^428055550824 is an apocalyptic number.

428055550824 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

428055550824 is an abundant number, since it is smaller than the sum of its proper divisors (739816656216).

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

428055550824 is a wasteful number, since it uses less digits than its factorization.

428055550824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622210 (or 622206 counting only the distinct ones).

The product of its (nonzero) digits is 2560000, while the sum is 48.

It can be divided in two parts, 428055 and 550824, that added together give a palindrome (978879).

The spelling of 428055550824 in words is "four hundred twenty-eight billion, fifty-five million, five hundred fifty thousand, eight hundred twenty-four".