255203040 has 48 divisors (see below), whose sum is σ = 803891088. Its totient is φ = 68054016.

The previous prime is 255203021. The next prime is 255203083. The reversal of 255203040 is 40302552.

255203040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 255202998 and 255203016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265357 + ... + 266316.

It is an arithmetic number, because the mean of its divisors is an integer number (16747731).

Almost surely, 2^255203040 is an apocalyptic number.

255203040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255203040 is an abundant number, since it is smaller than the sum of its proper divisors (548688048).

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

255203040 is a wasteful number, since it uses less digits than its factorization.

255203040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531691 (or 531683 counting only the distinct ones).

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

The square root of 255203040 is about 15975.0755866756. The cubic root of 255203040 is about 634.3008321324.

Adding to 255203040 its reverse (40302552), we get a palindrome (295505592).

The spelling of 255203040 in words is "two hundred fifty-five million, two hundred three thousand, forty".