428941487232 has 192 divisors, whose sum is σ = 1280341576800. Its totient is φ = 137741119488.

The previous prime is 428941487209. The next prime is 428941487267. The reversal of 428941487232 is 232784149824.

428941487232 is a `hidden beast` number, since 42 + 8 + 94 + 1 + 487 + 2 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3556819 + ... + 3675437.

Almost surely, 2^428941487232 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 428941487232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (640170788400).

428941487232 is an abundant number, since it is smaller than the sum of its proper divisors (851400089568).

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

428941487232 is a wasteful number, since it uses less digits than its factorization.

428941487232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118755 (or 118740 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 54.

The spelling of 428941487232 in words is "four hundred twenty-eight billion, nine hundred forty-one million, four hundred eighty-seven thousand, two hundred thirty-two".