1043340444 has 72 divisors (see below), whose sum is σ = 2762541600. Its totient is φ = 331385472.

The previous prime is 1043340409. The next prime is 1043340491. The reversal of 1043340444 is 4440433401.

It is a super-2 number, since 2×1043340444² = 2177118564172234272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227082 + ... + 231630.

Almost surely, 2^1043340444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1043340444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1381270800).

1043340444 is an abundant number, since it is smaller than the sum of its proper divisors (1719201156).

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

1043340444 is a wasteful number, since it uses less digits than its factorization.

1043340444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4859 (or 4854 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 1043340444 is about 32300.7808574344. The cubic root of 1043340444 is about 1014.2429888125.

Adding to 1043340444 its reverse (4440433401), we get a palindrome (5483773845).

The spelling of 1043340444 in words is "one billion, forty-three million, three hundred forty thousand, four hundred forty-four".