4255040 has 28 divisors (see below), whose sum is σ = 10133076. Its totient is φ = 1701888.

The previous prime is 4255039. The next prime is 4255057. The reversal of 4255040 is 405524.

It is a happy number.

4255040 is nontrivially palindromic in base 6.

It can be written as a sum of positive squares in 2 ways, for example, as 506944 + 3748096 = 712^2 + 1936^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6329 + ... + 6968.

Almost surely, 2^4255040 is an apocalyptic number.

4255040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4255040 is an abundant number, since it is smaller than the sum of its proper divisors (5878036).

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

4255040 is a wasteful number, since it uses less digits than its factorization.

4255040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13314 (or 13304 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 4255040 is about 2062.7748301742. The cubic root of 4255040 is about 162.0445947443.

The spelling of 4255040 in words is "four million, two hundred fifty-five thousand, forty".