4240520 has 16 divisors (see below), whose sum is σ = 9541260. Its totient is φ = 1696192.

The previous prime is 4240519. The next prime is 4240541. The reversal of 4240520 is 250424.

It can be written as a sum of positive squares in 2 ways, for example, as 4169764 + 70756 = 2042^2 + 266^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52967 + ... + 53046.

Almost surely, 2^4240520 is an apocalyptic number.

4240520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4240520 is an abundant number, since it is smaller than the sum of its proper divisors (5300740).

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

4240520 is a wasteful number, since it uses less digits than its factorization.

4240520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106024 (or 106020 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 4240520 is about 2059.2522914883. The cubic root of 4240520 is about 161.8600630712.

Adding to 4240520 its reverse (250424), we get a palindrome (4490944).

The spelling of 4240520 in words is "four million, two hundred forty thousand, five hundred twenty".