428529017776 has 20 divisors (see below), whose sum is σ = 839603907000. Its totient is φ = 211857041792.

The previous prime is 428529017759. The next prime is 428529017843. The reversal of 428529017776 is 677710925824.

It is a self number, because there is not a number n which added to its sum of digits gives 428529017776.

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 3 ways as a sum of consecutive naturals, for example, 150465226 + ... + 150468073.

It is an arithmetic number, because the mean of its divisors is an integer number (41980195350).

Almost surely, 2^428529017776 is an apocalyptic number.

It is an amenable number.

428529017776 is a deficient number, since it is larger than the sum of its proper divisors (411074889224).

428529017776 is a wasteful number, since it uses less digits than its factorization.

428529017776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300933396 (or 300933390 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 58.

The spelling of 428529017776 in words is "four hundred twenty-eight billion, five hundred twenty-nine million, seventeen thousand, seven hundred seventy-six".