1040449535 has 8 divisors (see below), whose sum is σ = 1248771696. Its totient is φ = 832204800.

The previous prime is 1040449523. The next prime is 1040449541. The reversal of 1040449535 is 5359440401.

It is a Cunningham number, because it is equal to 32256²-1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1040449535 - 2⁶ = 1040449471 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 1040449495 and 1040449504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16127 + ... + 48383.

It is an arithmetic number, because the mean of its divisors is an integer number (156096462).

Almost surely, 2^1040449535 is an apocalyptic number.

1040449535 is a deficient number, since it is larger than the sum of its proper divisors (208322161).

1040449535 is an equidigital number, since it uses as much as digits as its factorization.

1040449535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38713.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 1040449535 is about 32255.9999844990. Note that the first 4 decimals coincide. The cubic root of 1040449535 is about 1013.3053605529.

Adding to 1040449535 its reverse (5359440401), we get a palindrome (6399889936).

The spelling of 1040449535 in words is "one billion, forty million, four hundred forty-nine thousand, five hundred thirty-five".