1033320040 has 16 divisors (see below), whose sum is σ = 2324970180. Its totient is φ = 413328000.

The previous prime is 1033319981. The next prime is 1033320049. The reversal of 1033320040 is 400233301.

1033320040 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 883159524 + 150160516 = 29718^2 + 12254^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1033319996 and 1033320023.

It is not an unprimeable number, because it can be changed into a prime (1033320049) by changing a digit.

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, 12916461 + ... + 12916540.

Almost surely, 2^1033320040 is an apocalyptic number.

1033320040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1033320040 is an abundant number, since it is smaller than the sum of its proper divisors (1291650140).

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

1033320040 is a wasteful number, since it uses less digits than its factorization.

1033320040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25833012 (or 25833008 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 1033320040 is about 32145.2957678103. The cubic root of 1033320040 is about 1010.9855556460.

Adding to 1033320040 its reverse (400233301), we get a palindrome (1433553341).

The spelling of 1033320040 in words is "one billion, thirty-three million, three hundred twenty thousand, forty".