255123040 has 48 divisors (see below), whose sum is σ = 603711360. Its totient is φ = 101882880.

The previous prime is 255123023. The next prime is 255123041. The reversal of 255123040 is 40321552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255123041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157756 + ... + 159364.

It is an arithmetic number, because the mean of its divisors is an integer number (12577320).

Almost surely, 2^255123040 is an apocalyptic number.

255123040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255123040 is an abundant number, since it is smaller than the sum of its proper divisors (348588320).

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

255123040 is a wasteful number, since it uses less digits than its factorization.

255123040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615 (or 2607 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 255123040 is about 15972.5714899011. The cubic root of 255123040 is about 634.2345458663.

Adding to 255123040 its reverse (40321552), we get a palindrome (295444592).

The spelling of 255123040 in words is "two hundred fifty-five million, one hundred twenty-three thousand, forty".