4244330440 has 32 divisors (see below), whose sum is σ = 10913993280. Its totient is φ = 1455198912.

The previous prime is 4244330429. The next prime is 4244330479. The reversal of 4244330440 is 440334424.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 4244330399 and 4244330408.

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, 7578882 + ... + 7579441.

It is an arithmetic number, because the mean of its divisors is an integer number (341062290).

Almost surely, 2^4244330440 is an apocalyptic number.

4244330440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4244330440 is an abundant number, since it is smaller than the sum of its proper divisors (6669662840).

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

4244330440 is a wasteful number, since it uses less digits than its factorization.

4244330440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15158341 (or 15158337 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

The square root of 4244330440 is about 65148.5260002097. The cubic root of 4244330440 is about 1619.0852987996.

Adding to 4244330440 its reverse (440334424), we get a palindrome (4684664864).

The spelling of 4244330440 in words is "four billion, two hundred forty-four million, three hundred thirty thousand, four hundred forty".