1040216403 has 8 divisors (see below), whose sum is σ = 1387249600. Its totient is φ = 693330408.

The previous prime is 1040216297. The next prime is 1040216413. The reversal of 1040216403 is 3046120401.

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

It is not a de Polignac number, because 1040216403 - 2¹² = 1040212307 is a prime.

It is a super-3 number, since 3×1040216403³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1040216403.

It is not an unprimeable number, because it can be changed into a prime (1040216413) 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 7 ways as a sum of consecutive naturals, for example, 19093 + ... + 49446.

It is an arithmetic number, because the mean of its divisors is an integer number (173406200).

Almost surely, 2^1040216403 is an apocalyptic number.

1040216403 is a deficient number, since it is larger than the sum of its proper divisors (347033197).

1040216403 is an equidigital number, since it uses as much as digits as its factorization.

1040216403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73601.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1040216403 is about 32252.3860047594. The cubic root of 1040216403 is about 1013.2296716179.

Adding to 1040216403 its reverse (3046120401), we get a palindrome (4086336804).

The spelling of 1040216403 in words is "one billion, forty million, two hundred sixteen thousand, four hundred three".