1043042320 has 40 divisors (see below), whose sum is σ = 2428802136. Its totient is φ = 416575488.

The previous prime is 1043042317. The next prime is 1043042339. The reversal of 1043042320 is 232403401.

It can be written as a sum of positive squares in 4 ways, for example, as 15968016 + 1027074304 = 3996^2 + 32048^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44154 + ... + 63526.

Almost surely, 2^1043042320 is an apocalyptic number.

1043042320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1043042320 is an abundant number, since it is smaller than the sum of its proper divisors (1385759816).

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

1043042320 is a wasteful number, since it uses less digits than its factorization.

1043042320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20059 (or 20053 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1043042320 is about 32296.1657166915. The cubic root of 1043042320 is about 1014.1463763779.

Adding to 1043042320 its reverse (232403401), we get a palindrome (1275445721).

The spelling of 1043042320 in words is "one billion, forty-three million, forty-two thousand, three hundred twenty".