1040784433 has 16 divisors (see below), whose sum is σ = 1166946256. Its totient is φ = 921922560.

The previous prime is 1040784419. The next prime is 1040784457. The reversal of 1040784433 is 3344870401.

It can be written as a sum of positive squares in 8 ways, for example, as 117353889 + 923430544 = 10833^2 + 30388^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1040784433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1040704433) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 20293 + ... + 49933.

It is an arithmetic number, because the mean of its divisors is an integer number (72934141).

Almost surely, 2^1040784433 is an apocalyptic number.

1040784433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1040784433 is a deficient number, since it is larger than the sum of its proper divisors (126161823).

1040784433 is a wasteful number, since it uses less digits than its factorization.

1040784433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29764.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 1040784433 is about 32261.1908180712. The cubic root of 1040784433 is about 1013.4140691843.

The spelling of 1040784433 in words is "one billion, forty million, seven hundred eighty-four thousand, four hundred thirty-three".