255145204400 has 60 divisors (see below), whose sum is σ = 613280409000. Its totient is φ = 102009123840.

The previous prime is 255145204357. The next prime is 255145204403. The reversal of 255145204400 is 4402541552.

255145204400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (255145204403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 687656 + ... + 991544.

It is an arithmetic number, because the mean of its divisors is an integer number (10221340150).

Almost surely, 2^255145204400 is an apocalyptic number.

255145204400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255145204400 is an abundant number, since it is smaller than the sum of its proper divisors (358135204600).

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

255145204400 is a wasteful number, since it uses less digits than its factorization.

255145204400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306006 (or 305995 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 255145204400 its reverse (4402541552), we get a palindrome (259547745952).

The spelling of 255145204400 in words is "two hundred fifty-five billion, one hundred forty-five million, two hundred four thousand, four hundred".