1044211440 has 80 divisors (see below), whose sum is σ = 3341500416. Its totient is φ = 269472000.

The previous prime is 1044211433. The next prime is 1044211489. The reversal of 1044211440 is 441124401.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62736 + ... + 77615.

Almost surely, 2^1044211440 is an apocalyptic number.

1044211440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044211440 is an abundant number, since it is smaller than the sum of its proper divisors (2297288976).

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

1044211440 is a wasteful number, since it uses less digits than its factorization.

1044211440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140398 (or 140392 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1044211440 is about 32314.2606290164. The cubic root of 1044211440 is about 1014.5251453159.

Adding to 1044211440 its reverse (441124401), we get a palindrome (1485335841).

The spelling of 1044211440 in words is "one billion, forty-four million, two hundred eleven thousand, four hundred forty".