254628842 has 32 divisors (see below), whose sum is σ = 434179200. Its totient is φ = 111025728.

The previous prime is 254628841. The next prime is 254628853. The reversal of 254628842 is 248826452.

It is a self number, because there is not a number n which added to its sum of digits gives 254628842.

It is not an unprimeable number, because it can be changed into a prime (254628841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349883 + ... + 350609.

It is an arithmetic number, because the mean of its divisors is an integer number (13568100).

Almost surely, 2^254628842 is an apocalyptic number.

254628842 is a deficient number, since it is larger than the sum of its proper divisors (179550358).

254628842 is a wasteful number, since it uses less digits than its factorization.

254628842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470.

The product of its digits is 245760, while the sum is 41.

The square root of 254628842 is about 15957.0937830170. The cubic root of 254628842 is about 633.8247566023.

The spelling of 254628842 in words is "two hundred fifty-four million, six hundred twenty-eight thousand, eight hundred forty-two".