255203254040 has 64 divisors (see below), whose sum is σ = 694839124800. Its totient is φ = 82351300608.

The previous prime is 255203253983. The next prime is 255203254069. The reversal of 255203254040 is 40452302552.

It is a junction number, because it is equal to n+sod(n) for n = 255203253988 and 255203254006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26802305 + ... + 26811824.

It is an arithmetic number, because the mean of its divisors is an integer number (10856861325).

Almost surely, 2^255203254040 is an apocalyptic number.

255203254040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255203254040 is an abundant number, since it is smaller than the sum of its proper divisors (439635870760).

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

255203254040 is a wasteful number, since it uses less digits than its factorization.

255203254040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53614164 (or 53614160 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

Adding to 255203254040 its reverse (40452302552), we get a palindrome (295655556592).

The spelling of 255203254040 in words is "two hundred fifty-five billion, two hundred three million, two hundred fifty-four thousand, forty".