1040320412 has 12 divisors (see below), whose sum is σ = 1821967056. Its totient is φ = 519758400.

The previous prime is 1040320399. The next prime is 1040320417. The reversal of 1040320412 is 2140230401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040320417) 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, 94589 + ... + 105012.

It is an arithmetic number, because the mean of its divisors is an integer number (151830588).

Almost surely, 2^1040320412 is an apocalyptic number.

It is an amenable number.

1040320412 is a deficient number, since it is larger than the sum of its proper divisors (781646644).

1040320412 is a wasteful number, since it uses less digits than its factorization.

1040320412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200908 (or 200906 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1040320412 is about 32253.9983877968. The cubic root of 1040320412 is about 1013.2634407107.

Adding to 1040320412 its reverse (2140230401), we get a palindrome (3180550813).

The spelling of 1040320412 in words is "one billion, forty million, three hundred twenty thousand, four hundred twelve".