1043491968 has 96 divisors (see below), whose sum is σ = 3133391040. Its totient is φ = 332699136.

The previous prime is 1043491937. The next prime is 1043491973. The reversal of 1043491968 is 8691943401.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6805 + ... + 46187.

It is an arithmetic number, because the mean of its divisors is an integer number (32639490).

Almost surely, 2^1043491968 is an apocalyptic number.

1043491968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1043491968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1566695520).

1043491968 is an abundant number, since it is smaller than the sum of its proper divisors (2089899072).

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

1043491968 is a wasteful number, since it uses less digits than its factorization.

1043491968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39426 (or 39411 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 1043491968 is about 32303.1262883331. The cubic root of 1043491968 is about 1014.2920858311.

The spelling of 1043491968 in words is "one billion, forty-three million, four hundred ninety-one thousand, nine hundred sixty-eight".