255199842 has 16 divisors (see below), whose sum is σ = 567110880. Its totient is φ = 85066596.

The previous prime is 255199837. The next prime is 255199853. The reversal of 255199842 is 248991552.

It is a happy number.

255199842 is a `hidden beast` number, since 2 + 5 + 519 + 98 + 42 = 666.

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 7 ways as a sum of consecutive naturals, for example, 2362908 + ... + 2363015.

It is an arithmetic number, because the mean of its divisors is an integer number (35444430).

Almost surely, 2^255199842 is an apocalyptic number.

255199842 is an abundant number, since it is smaller than the sum of its proper divisors (311911038).

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

255199842 is a wasteful number, since it uses less digits than its factorization.

255199842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4725934 (or 4725928 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 255199842 is about 15974.9754929389. The cubic root of 255199842 is about 634.2981826047.

The spelling of 255199842 in words is "two hundred fifty-five million, one hundred ninety-nine thousand, eight hundred forty-two".