428980144 has 20 divisors (see below), whose sum is σ = 834634080. Its totient is φ = 213590720.

The previous prime is 428980141. The next prime is 428980207. The reversal of 428980144 is 441089824.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 428980097 and 428980106.

It is not an unprimeable number, because it can be changed into a prime (428980141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52267 + ... + 59914.

It is an arithmetic number, because the mean of its divisors is an integer number (41731704).

Almost surely, 2^428980144 is an apocalyptic number.

It is an amenable number.

428980144 is a deficient number, since it is larger than the sum of its proper divisors (405653936).

428980144 is a wasteful number, since it uses less digits than its factorization.

428980144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112428 (or 112422 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 428980144 is about 20711.8358433047. The cubic root of 428980144 is about 754.1870371647.

The spelling of 428980144 in words is "four hundred twenty-eight million, nine hundred eighty thousand, one hundred forty-four".