428492055 has 16 divisors (see below), whose sum is σ = 725916384. Its totient is φ = 215086080.

The previous prime is 428492041. The next prime is 428492063. The reversal of 428492055 is 550294824.

It is not a de Polignac number, because 428492055 - 2⁴ = 428492039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 839926 + ... + 840435.

It is an arithmetic number, because the mean of its divisors is an integer number (45369774).

Almost surely, 2^428492055 is an apocalyptic number.

428492055 is a deficient number, since it is larger than the sum of its proper divisors (297424329).

428492055 is a wasteful number, since it uses less digits than its factorization.

428492055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680386.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 428492055 is about 20700.0496376216. The cubic root of 428492055 is about 753.9008933101.

The spelling of 428492055 in words is "four hundred twenty-eight million, four hundred ninety-two thousand, fifty-five".