4444433240 has 64 divisors (see below), whose sum is σ = 10794621600. Its totient is φ = 1637148672.

The previous prime is 4444433237. The next prime is 4444433249. The reversal of 4444433240 is 423344444.

It is a junction number, because it is equal to n+sod(n) for n = 4444433197 and 4444433206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444433249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215291 + ... + 235029.

Almost surely, 2^4444433240 is an apocalyptic number.

4444433240 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 4444433240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5397310800).

4444433240 is an abundant number, since it is smaller than the sum of its proper divisors (6350188360).

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

4444433240 is a wasteful number, since it uses less digits than its factorization.

4444433240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20196 (or 20192 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

The square root of 4444433240 is about 66666.5826332804. The cubic root of 4444433240 is about 1644.1400012590.

Adding to 4444433240 its reverse (423344444), we get a palindrome (4867777684).

The spelling of 4444433240 in words is "four billion, four hundred forty-four million, four hundred thirty-three thousand, two hundred forty".