428628554744 has 32 divisors (see below), whose sum is σ = 865527186720. Its totient is φ = 197822342016.

The previous prime is 428628554743. The next prime is 428628554747. The reversal of 428628554744 is 447455826824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428628554741) 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 7 ways as a sum of consecutive naturals, for example, 5779562 + ... + 5853254.

It is an arithmetic number, because the mean of its divisors is an integer number (27047724585).

Almost surely, 2^428628554744 is an apocalyptic number.

It is an amenable number.

428628554744 is an abundant number, since it is smaller than the sum of its proper divisors (436898631976).

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

428628554744 is a wasteful number, since it uses less digits than its factorization.

428628554744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129639 (or 129635 counting only the distinct ones).

The product of its digits is 68812800, while the sum is 59.

The spelling of 428628554744 in words is "four hundred twenty-eight billion, six hundred twenty-eight million, five hundred fifty-four thousand, seven hundred forty-four".