428056258 has 24 divisors (see below), whose sum is σ = 754183872. Its totient is φ = 181667304.

The previous prime is 428056253. The next prime is 428056273. The reversal of 428056258 is 852650824.

It is a self number, because there is not a number n which added to its sum of digits gives 428056258.

It is not an unprimeable number, because it can be changed into a prime (428056253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11110 + ... + 31297.

It is an arithmetic number, because the mean of its divisors is an integer number (31424328).

Almost surely, 2^428056258 is an apocalyptic number.

428056258 is a deficient number, since it is larger than the sum of its proper divisors (326127614).

428056258 is a wasteful number, since it uses less digits than its factorization.

428056258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42526 (or 42519 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 428056258 is about 20689.5204874352. The cubic root of 428056258 is about 753.6452221414.

The spelling of 428056258 in words is "four hundred twenty-eight million, fifty-six thousand, two hundred fifty-eight".