1040422403 has 4 divisors (see below), whose sum is σ = 1073984448. Its totient is φ = 1006860360.

The previous prime is 1040422393. The next prime is 1040422429. The reversal of 1040422403 is 3042240401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3042240401 = 1657 ⋅1835993.

It is a cyclic number.

It is not a de Polignac number, because 1040422403 - 2¹⁰ = 1040421379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040422703) 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 3 ways as a sum of consecutive naturals, for example, 16780976 + ... + 16781037.

It is an arithmetic number, because the mean of its divisors is an integer number (268496112).

Almost surely, 2^1040422403 is an apocalyptic number.

1040422403 is a deficient number, since it is larger than the sum of its proper divisors (33562045).

1040422403 is an equidigital number, since it uses as much as digits as its factorization.

1040422403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33562044.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1040422403 is about 32255.5794088403. The cubic root of 1040422403 is about 1013.2965524243.

Adding to 1040422403 its reverse (3042240401), we get a palindrome (4082662804).

The spelling of 1040422403 in words is "one billion, forty million, four hundred twenty-two thousand, four hundred three".