4442441340 has 48 divisors (see below), whose sum is σ = 12445880832. Its totient is φ = 1183980096.

The previous prime is 4442441317. The next prime is 4442441489. The reversal of 4442441340 is 431442444.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4442441298 and 4442441307.

It is a congruent number.

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, 90777 + ... + 130863.

It is an arithmetic number, because the mean of its divisors is an integer number (259289184).

Almost surely, 2^4442441340 is an apocalyptic number.

It is an amenable number.

4442441340 is an abundant number, since it is smaller than the sum of its proper divisors (8003439492).

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

4442441340 is a wasteful number, since it uses less digits than its factorization.

4442441340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41946 (or 41944 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

The square root of 4442441340 is about 66651.6416902090. The cubic root of 4442441340 is about 1643.8943417512.

Adding to 4442441340 its reverse (431442444), we get a palindrome (4873883784).

The spelling of 4442441340 in words is "four billion, four hundred forty-two million, four hundred forty-one thousand, three hundred forty".