4152240 has 120 divisors (see below), whose sum is σ = 14314560. Its totient is φ = 1078272.

The previous prime is 4152229. The next prime is 4152257. The reversal of 4152240 is 422514.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52521 + ... + 52599.

It is an arithmetic number, because the mean of its divisors is an integer number (119288).

Almost surely, 2^4152240 is an apocalyptic number.

4152240 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 4152240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7157280).

4152240 is an abundant number, since it is smaller than the sum of its proper divisors (10162320).

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

4152240 is a wasteful number, since it uses less digits than its factorization.

4152240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 4152240 is about 2037.7045909552. The cubic root of 4152240 is about 160.7289654316.

Adding to 4152240 its reverse (422514), we get a palindrome (4574754).

The spelling of 4152240 in words is "four million, one hundred fifty-two thousand, two hundred forty".