255907392 has 224 divisors, whose sum is σ = 797795712. Its totient is φ = 71663616.

The previous prime is 255907381. The next prime is 255907403. The reversal of 255907392 is 293709552.

It is an interprime number because it is at equal distance from previous prime (255907381) and next prime (255907403).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1569903 + ... + 1570065.

It is an arithmetic number, because the mean of its divisors is an integer number (3561588).

Almost surely, 2^255907392 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 255907392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398897856).

255907392 is an abundant number, since it is smaller than the sum of its proper divisors (541888320).

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

255907392 is a wasteful number, since it uses less digits than its factorization.

255907392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 255907392 is about 15997.1057382265. The cubic root of 255907392 is about 634.8838459088.

The spelling of 255907392 in words is "two hundred fifty-five million, nine hundred seven thousand, three hundred ninety-two".