4262240 has 48 divisors (see below), whose sum is σ = 10668672. Its totient is φ = 1603584.

The previous prime is 4262239. The next prime is 4262249. The reversal of 4262240 is 422624.

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

It is a d-powerful number, because it can be written as 4⁸ + 2³ + 6³ + 2⁷ + 2¹¹ + 4¹¹ + 0 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4262249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1937 + ... + 3503.

It is an arithmetic number, because the mean of its divisors is an integer number (222264).

Almost surely, 2^4262240 is an apocalyptic number.

4262240 is a gapful number since it is divisible by the number (40) 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 4262240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5334336).

4262240 is an abundant number, since it is smaller than the sum of its proper divisors (6406432).

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

4262240 is a wasteful number, since it uses less digits than its factorization.

4262240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599 (or 1591 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4262240 is about 2064.5193145137. The cubic root of 4262240 is about 162.1359423874.

Adding to 4262240 its reverse (422624), we get a palindrome (4684864).

The spelling of 4262240 in words is "four million, two hundred sixty-two thousand, two hundred forty".