1040449533 has 8 divisors (see below), whose sum is σ = 1387437408. Its totient is φ = 693547344.

The previous prime is 1040449523. The next prime is 1040449541. The reversal of 1040449533 is 3359440401.

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

It is not a de Polignac number, because 1040449533 - 2¹⁰ = 1040448509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1040449494 and 1040449503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040449523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16510 + ... + 48512.

It is an arithmetic number, because the mean of its divisors is an integer number (173429676).

Almost surely, 2^1040449533 is an apocalyptic number.

It is an amenable number.

1040449533 is a deficient number, since it is larger than the sum of its proper divisors (346987875).

1040449533 is a wasteful number, since it uses less digits than its factorization.

1040449533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42843.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 1040449533 is about 32255.9999534970. Note that the first 4 decimals coincide. The cubic root of 1040449533 is about 1013.3053599037.

Adding to 1040449533 its reverse (3359440401), we get a palindrome (4399889934).

The spelling of 1040449533 in words is "one billion, forty million, four hundred forty-nine thousand, five hundred thirty-three".