428184898272 has 120 divisors (see below), whose sum is σ = 1259984569536. Its totient is φ = 142648432128.

The previous prime is 428184898217. The next prime is 428184898283. The reversal of 428184898272 is 272898481824.

428184898272 is a `hidden beast` number, since 4 + 2 + 8 + 1 + 8 + 489 + 82 + 72 = 666.

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 4679908 + ... + 4770524.

Almost surely, 2^428184898272 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 428184898272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (629992284768).

428184898272 is an abundant number, since it is smaller than the sum of its proper divisors (831799671264).

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

428184898272 is a wasteful number, since it uses less digits than its factorization.

428184898272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92462 (or 92445 counting only the distinct ones).

The product of its digits is 33030144, while the sum is 63.

The spelling of 428184898272 in words is "four hundred twenty-eight billion, one hundred eighty-four million, eight hundred ninety-eight thousand, two hundred seventy-two".