4444444446 has 32 divisors (see below), whose sum is σ = 9575223840. Its totient is φ = 1367153664.

The previous prime is 4444444429. The next prime is 4444444447. The reversal of 4444444446 is 6444444444.

It is a plaindrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4444444398 and 4444444407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444444447) 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, 491050 + ... + 500018.

It is an arithmetic number, because the mean of its divisors is an integer number (299225745).

Almost surely, 2^4444444446 is an apocalyptic number.

4444444446 is an abundant number, since it is smaller than the sum of its proper divisors (5130779394).

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

4444444446 is a wasteful number, since it uses less digits than its factorization.

4444444446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15340.

The product of its digits is 1572864, while the sum is 42.

The square root of 4444444446 is about 66666.6666783333. Note that the first 4 decimals coincide. The cubic root of 4444444446 is about 1644.1413830788.

The spelling of 4444444446 in words is "four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred forty-six".