444289436 has 24 divisors (see below), whose sum is σ = 812052864. Its totient is φ = 212292080.

The previous prime is 444289429. The next prime is 444289463. The reversal of 444289436 is 634982444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183071 + ... + 185481.

It is an arithmetic number, because the mean of its divisors is an integer number (33835536).

Almost surely, 2^444289436 is an apocalyptic number.

444289436 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

444289436 is a deficient number, since it is larger than the sum of its proper divisors (367763428).

444289436 is a wasteful number, since it uses less digits than its factorization.

444289436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4441 (or 4439 counting only the distinct ones).

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

The square root of 444289436 is about 21078.1743991267. The cubic root of 444289436 is about 763.0540978656.

The spelling of 444289436 in words is "four hundred forty-four million, two hundred eighty-nine thousand, four hundred thirty-six".