1044444416 has 18 divisors (see below), whose sum is σ = 2084809482. Its totient is φ = 522222080.

The previous prime is 1044444409. The next prime is 1044444461. The reversal of 1044444416 is 6144444401.

It can be written as a sum of positive squares in only one way, i.e., 660284416 + 384160000 = 25696^2 + 19600^2 .

It is a super-2 number, since 2×1044444416² = 2181728276227162112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2039675 + ... + 2040186.

It is an arithmetic number, because the mean of its divisors is an integer number (115822749).

Almost surely, 2^1044444416 is an apocalyptic number.

1044444416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1044444416 is a deficient number, since it is larger than the sum of its proper divisors (1040365066).

1044444416 is an frugal number, since it uses more digits than its factorization.

1044444416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4079877 (or 4079863 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 1044444416 is about 32317.8652760358. The cubic root of 1044444416 is about 1014.6005905834.

Adding to 1044444416 its reverse (6144444401), we get a palindrome (7188888817).

The spelling of 1044444416 in words is "one billion, forty-four million, four hundred forty-four thousand, four hundred sixteen".