4668240 has 80 divisors (see below), whose sum is σ = 14784768. Its totient is φ = 1218048.

The previous prime is 4668233. The next prime is 4668247. The reversal of 4668240 is 428664.

It is an interprime number because it is at equal distance from previous prime (4668233) and next prime (4668247).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a d-powerful number, because it can be written as 4⁹ + 6⁴ + 6⁶ + 8⁵ + 2¹⁷ + 4¹¹ + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 4668198 and 4668207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4668247) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 12537 + ... + 12903.

Almost surely, 2^4668240 is an apocalyptic number.

4668240 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 4668240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7392384).

4668240 is an abundant number, since it is smaller than the sum of its proper divisors (10116528).

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

4668240 is a wasteful number, since it uses less digits than its factorization.

4668240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 4668240 is about 2160.6110246872. The cubic root of 4668240 is about 167.1287090286.

It can be divided in two parts, 46 and 68240, that added together give a palindrome (68286).

The spelling of 4668240 in words is "four million, six hundred sixty-eight thousand, two hundred forty".