255416322 has 64 divisors (see below), whose sum is σ = 603648000. Its totient is φ = 72006480.

The previous prime is 255416309. The next prime is 255416341. The reversal of 255416322 is 223614552.

It is a self number, because there is not a number n which added to its sum of digits gives 255416322.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161797 + ... + 163367.

It is an arithmetic number, because the mean of its divisors is an integer number (9432000).

Almost surely, 2^255416322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255416322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301824000).

255416322 is an abundant number, since it is smaller than the sum of its proper divisors (348231678).

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

255416322 is a wasteful number, since it uses less digits than its factorization.

255416322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676 (or 1662 counting only the distinct ones).

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

The square root of 255416322 is about 15981.7496539021. The cubic root of 255416322 is about 634.4774853051.

The spelling of 255416322 in words is "two hundred fifty-five million, four hundred sixteen thousand, three hundred twenty-two".