428355168 has 24 divisors (see below), whose sum is σ = 1124432568. Its totient is φ = 142785024.

The previous prime is 428355157. The next prime is 428355199. The reversal of 428355168 is 861553824.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2230921 + ... + 2231112.

It is an arithmetic number, because the mean of its divisors is an integer number (46851357).

Almost surely, 2^428355168 is an apocalyptic number.

428355168 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

428355168 is an abundant number, since it is smaller than the sum of its proper divisors (696077400).

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

428355168 is a wasteful number, since it uses less digits than its factorization.

428355168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4462046 (or 4462038 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 428355168 is about 20696.7429321621. The cubic root of 428355168 is about 753.8206038223.

The spelling of 428355168 in words is "four hundred twenty-eight million, three hundred fifty-five thousand, one hundred sixty-eight".