444929444 has 6 divisors (see below), whose sum is σ = 778626534. Its totient is φ = 222464720.

The previous prime is 444929399. The next prime is 444929467.

It is a happy number.

444929444 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 322561600 + 122367844 = 17960^2 + 11062^2 .

It is a super-3 number, since 3×444929444³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 444929395 and 444929404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55616177 + ... + 55616184.

It is an arithmetic number, because the mean of its divisors is an integer number (129771089).

Almost surely, 2^444929444 is an apocalyptic number.

It is an amenable number.

444929444 is a deficient number, since it is larger than the sum of its proper divisors (333697090).

444929444 is a wasteful number, since it uses less digits than its factorization.

444929444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111232365 (or 111232363 counting only the distinct ones).

The product of its digits is 663552, while the sum is 44.

The square root of 444929444 is about 21093.3507058504. The cubic root of 444929444 is about 763.4203204052.

The spelling of 444929444 in words is "four hundred forty-four million, nine hundred twenty-nine thousand, four hundred forty-four".