255931416 has 96 divisors (see below), whose sum is σ = 752693760. Its totient is φ = 78091776.

The previous prime is 255931343. The next prime is 255931421. The reversal of 255931416 is 614139552.

255931416 is a `hidden beast` number, since 25 + 593 + 1 + 41 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 117796 + ... + 119948.

It is an arithmetic number, because the mean of its divisors is an integer number (7840560).

Almost surely, 2^255931416 is an apocalyptic number.

255931416 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255931416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376346880).

255931416 is an abundant number, since it is smaller than the sum of its proper divisors (496762344).

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

255931416 is a wasteful number, since it uses less digits than its factorization.

255931416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305 (or 2298 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 255931416 is about 15997.8566064333. The cubic root of 255931416 is about 634.9037124344.

The spelling of 255931416 in words is "two hundred fifty-five million, nine hundred thirty-one thousand, four hundred sixteen".