1040421208 has 16 divisors (see below), whose sum is σ = 1952019000. Its totient is φ = 519882816.

The previous prime is 1040421203. The next prime is 1040421227. The reversal of 1040421208 is 8021240401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040421203) 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, 27213 + ... + 53116.

Almost surely, 2^1040421208 is an apocalyptic number.

It is an amenable number.

1040421208 is a deficient number, since it is larger than the sum of its proper divisors (911597792).

1040421208 is a wasteful number, since it uses less digits than its factorization.

1040421208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81954 (or 81950 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 1040421208 is about 32255.5608849079. The cubic root of 1040421208 is about 1013.2961644762.

Adding to 1040421208 its reverse (8021240401), we get a palindrome (9061661609).

The spelling of 1040421208 in words is "one billion, forty million, four hundred twenty-one thousand, two hundred eight".