4444340121 has 24 divisors (see below), whose sum is σ = 7074203136. Its totient is φ = 2671371360.

The previous prime is 4444340113. The next prime is 4444340129. The reversal of 4444340121 is 1210434444.

It is an interprime number because it is at equal distance from previous prime (4444340113) and next prime (4444340129).

It is not a de Polignac number, because 4444340121 - 2³ = 4444340113 is a prime.

It is a super-2 number, since 2×4444340121² = 39504318222260589282, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4444340129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 436665 + ... + 446726.

It is an arithmetic number, because the mean of its divisors is an integer number (294758464).

Almost surely, 2^4444340121 is an apocalyptic number.

It is an amenable number.

4444340121 is a deficient number, since it is larger than the sum of its proper divisors (2629863015).

4444340121 is a wasteful number, since it uses less digits than its factorization.

4444340121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883453 (or 883450 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 4444340121 is about 66665.8842362419. The cubic root of 4444340121 is about 1644.1285185994.

Adding to 4444340121 its reverse (1210434444), we get a palindrome (5654774565).

The spelling of 4444340121 in words is "four billion, four hundred forty-four million, three hundred forty thousand, one hundred twenty-one".