1043401344 has 64 divisors (see below), whose sum is σ = 2783376000. Its totient is φ = 346314752.

The previous prime is 1043401327. The next prime is 1043401349. The reversal of 1043401344 is 4431043401.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1043401344² = 2177372729322012672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1043401349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86092 + ... + 97460.

It is an arithmetic number, because the mean of its divisors is an integer number (43490250).

Almost surely, 2^1043401344 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 1043401344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1391688000).

1043401344 is an abundant number, since it is smaller than the sum of its proper divisors (1739974656).

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

1043401344 is a wasteful number, since it uses less digits than its factorization.

1043401344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11625 (or 11613 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1043401344 is about 32301.7235453466. The cubic root of 1043401344 is about 1014.2627222870.

Adding to 1043401344 its reverse (4431043401), we get a palindrome (5474444745).

The spelling of 1043401344 in words is "one billion, forty-three million, four hundred one thousand, three hundred forty-four".