255223416 has 64 divisors (see below), whose sum is σ = 739514880. Its totient is φ = 71890560.

The previous prime is 255223411. The next prime is 255223427. The reversal of 255223416 is 614322552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255223411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1230 + ... + 22626.

It is an arithmetic number, because the mean of its divisors is an integer number (11554920).

Almost surely, 2^255223416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255223416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369757440).

255223416 is an abundant number, since it is smaller than the sum of its proper divisors (484291464).

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

255223416 is a wasteful number, since it uses less digits than its factorization.

255223416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21484 (or 21480 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 255223416 is about 15975.7133174078. The cubic root of 255223416 is about 634.3177130308.

Adding to 255223416 its reverse (614322552), we get a palindrome (869545968).

The spelling of 255223416 in words is "two hundred fifty-five million, two hundred twenty-three thousand, four hundred sixteen".