255200340 has 48 divisors (see below), whose sum is σ = 715619520. Its totient is φ = 67952640.

The previous prime is 255200333. The next prime is 255200357. The reversal of 255200340 is 43002552.

It is a super-2 number, since 2×255200340² = 130254427072231200, which contains 22 as substring.

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, 43375 + ... + 48905.

It is an arithmetic number, because the mean of its divisors is an integer number (14908740).

Almost surely, 2^255200340 is an apocalyptic number.

255200340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255200340 is an abundant number, since it is smaller than the sum of its proper divisors (460419180).

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

255200340 is a wasteful number, since it uses less digits than its factorization.

255200340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6312 (or 6310 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 255200340 is about 15974.9910798097. The cubic root of 255200340 is about 634.2985951968.

Adding to 255200340 its reverse (43002552), we get a palindrome (298202892).

The spelling of 255200340 in words is "two hundred fifty-five million, two hundred thousand, three hundred forty".