1040421044 has 12 divisors (see below), whose sum is σ = 1960793604. Its totient is φ = 480194304.

The previous prime is 1040421017. The next prime is 1040421049. The reversal of 1040421044 is 4401240401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 78676900 + 961744144 = 8870^2 + 31012^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040421049) 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, 10003997 + ... + 10004100.

It is an arithmetic number, because the mean of its divisors is an integer number (163399467).

Almost surely, 2^1040421044 is an apocalyptic number.

It is an amenable number.

1040421044 is a deficient number, since it is larger than the sum of its proper divisors (920372560).

1040421044 is a wasteful number, since it uses less digits than its factorization.

1040421044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20008114 (or 20008112 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1040421044 is about 32255.5583427105. The cubic root of 1040421044 is about 1013.2961112347.

Adding to 1040421044 its reverse (4401240401), we get a palindrome (5441661445).

The spelling of 1040421044 in words is "one billion, forty million, four hundred twenty-one thousand, forty-four".