255544421224 has 16 divisors (see below), whose sum is σ = 480913859520. Its totient is φ = 127300725360.

The previous prime is 255544421221. The next prime is 255544421269. The reversal of 255544421224 is 422124445552.

It is not an unprimeable number, because it can be changed into a prime (255544421221) 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 3 ways as a sum of consecutive naturals, for example, 58933354 + ... + 58937689.

It is an arithmetic number, because the mean of its divisors is an integer number (30057116220).

Almost surely, 2^255544421224 is an apocalyptic number.

It is an amenable number.

255544421224 is a deficient number, since it is larger than the sum of its proper divisors (225369438296).

255544421224 is a wasteful number, since it uses less digits than its factorization.

255544421224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117871320 (or 117871316 counting only the distinct ones).

The product of its digits is 512000, while the sum is 40.

Adding to 255544421224 its reverse (422124445552), we get a palindrome (677668866776).

The spelling of 255544421224 in words is "two hundred fifty-five billion, five hundred forty-four million, four hundred twenty-one thousand, two hundred twenty-four".