4554240 has 80 divisors (see below), whose sum is σ = 14583888. Its totient is φ = 1212416.

The previous prime is 4554227. The next prime is 4554307. The reversal of 4554240 is 424554.

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

It is a super-2 number, since 2×4554240² = 41482203955200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 4554240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7384 + ... + 7976.

Almost surely, 2^4554240 is an apocalyptic number.

4554240 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 4554240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7291944).

4554240 is an abundant number, since it is smaller than the sum of its proper divisors (10029648).

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

4554240 is an equidigital number, since it uses as much as digits as its factorization.

4554240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619 (or 603 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 4554240 is about 2134.0665406683. The cubic root of 4554240 is about 165.7570355706.

Adding to 4554240 its reverse (424554), we get a palindrome (4978794).

It can be divided in two parts, 45 and 54240, that added together give a triangular number (54285 = T₃₂₉).

The spelling of 4554240 in words is "four million, five hundred fifty-four thousand, two hundred forty".