1043322440 has 16 divisors (see below), whose sum is σ = 2347475580. Its totient is φ = 417328960.

The previous prime is 1043322431. The next prime is 1043322451. The reversal of 1043322440 is 442233401.

It can be written as a sum of positive squares in 2 ways, for example, as 955675396 + 87647044 = 30914^2 + 9362^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13041491 + ... + 13041570.

Almost surely, 2^1043322440 is an apocalyptic number.

1043322440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1043322440 is an abundant number, since it is smaller than the sum of its proper divisors (1304153140).

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

1043322440 is a wasteful number, since it uses less digits than its factorization.

1043322440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26083072 (or 26083068 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1043322440 is about 32300.5021632791. The cubic root of 1043322440 is about 1014.2371548152.

Adding to 1043322440 its reverse (442233401), we get a palindrome (1485555841).

The spelling of 1043322440 in words is "one billion, forty-three million, three hundred twenty-two thousand, four hundred forty".