4255340 has 24 divisors (see below), whose sum is σ = 8981280. Its totient is φ = 1693568.

The previous prime is 4255313. The next prime is 4255351. The reversal of 4255340 is 435524.

It is an Ulam 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 7 ways as a sum of consecutive naturals, for example, 4856 + ... + 5664.

It is an arithmetic number, because the mean of its divisors is an integer number (374220).

Almost surely, 2^4255340 is an apocalyptic number.

It is an amenable number.

4255340 is an abundant number, since it is smaller than the sum of its proper divisors (4725940).

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

4255340 is a wasteful number, since it uses less digits than its factorization.

4255340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 4255340 is about 2062.8475464755. The cubic root of 4255340 is about 162.0484029526.

The spelling of 4255340 in words is "four million, two hundred fifty-five thousand, three hundred forty".