4444345240 has 32 divisors (see below), whose sum is σ = 10016693280. Its totient is φ = 1774730752.

The previous prime is 4444345201. The next prime is 4444345253. The reversal of 4444345240 is 425434444.

It is a super-2 number, since 2×4444345240² = 39504409224621315200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4444345196 and 4444345205.

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, 69964 + ... + 117403.

It is an arithmetic number, because the mean of its divisors is an integer number (313021665).

Almost surely, 2^4444345240 is an apocalyptic number.

4444345240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4444345240 is an abundant number, since it is smaller than the sum of its proper divisors (5572348040).

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

4444345240 is a wasteful number, since it uses less digits than its factorization.

4444345240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187971 (or 187967 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 34.

The square root of 4444345240 is about 66665.9226291814. The cubic root of 4444345240 is about 1644.1291498360.

Adding to 4444345240 its reverse (425434444), we get a palindrome (4869779684).

The spelling of 4444345240 in words is "four billion, four hundred forty-four million, three hundred forty-five thousand, two hundred forty".