444444444446 has 16 divisors (see below), whose sum is σ = 668033871360. Its totient is φ = 221766928920.

The previous prime is 444444444443. The next prime is 444444444461. The reversal of 444444444446 is 644444444444.

It is a plaindrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 444444444394 and 444444444403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444444444443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1922675 + ... + 2141393.

It is an arithmetic number, because the mean of its divisors is an integer number (41752116960).

Almost surely, 2^444444444446 is an apocalyptic number.

444444444446 is a deficient number, since it is larger than the sum of its proper divisors (223589426914).

444444444446 is a wasteful number, since it uses less digits than its factorization.

444444444446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220799.

The product of its digits is 25165824, while the sum is 50.

The spelling of 444444444446 in words is "four hundred forty-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred forty-six".