4354440 has 64 divisors (see below), whose sum is σ = 13210560. Its totient is φ = 1148160.

The previous prime is 4354433. The next prime is 4354457. The reversal of 4354440 is 444534.

It is a super-2 number, since 2×4354440² = 37922295427200, which contains 22 as substring.

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

It is a d-powerful number, because it can be written as 4³ + 3³ + 5⁷ + 4⁷ + 4⁸ + 4¹¹ + 0 .

It is a self number, because there is not a number n which added to its sum of digits gives 4354440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15582 + ... + 15858.

It is an arithmetic number, because the mean of its divisors is an integer number (206415).

Almost surely, 2^4354440 is an apocalyptic number.

4354440 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 4354440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6605280).

4354440 is an abundant number, since it is smaller than the sum of its proper divisors (8856120).

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

4354440 is a wasteful number, since it uses less digits than its factorization.

4354440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 4354440 is about 2086.7294985216. The cubic root of 4354440 is about 163.2967107488.

Adding to 4354440 its reverse (444534), we get a palindrome (4798974).

The spelling of 4354440 in words is "four million, three hundred fifty-four thousand, four hundred forty".