1040213044 has 24 divisors (see below), whose sum is σ = 1961436680. Its totient is φ = 479844864.

The previous prime is 1040213003. The next prime is 1040213059. The reversal of 1040213044 is 4403120401.

It can be written as a sum of positive squares in 4 ways, for example, as 150544 + 1040062500 = 388^2 + 32250^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124552 + ... + 132640.

Almost surely, 2^1040213044 is an apocalyptic number.

It is an amenable number.

1040213044 is a deficient number, since it is larger than the sum of its proper divisors (921223636).

1040213044 is a wasteful number, since it uses less digits than its factorization.

1040213044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10579 (or 10577 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1040213044 is about 32252.3339310506. Note that the first 3 decimals coincide. The cubic root of 1040213044 is about 1013.2285809980.

Adding to 1040213044 its reverse (4403120401), we get a palindrome (5443333445).

The spelling of 1040213044 in words is "one billion, forty million, two hundred thirteen thousand, forty-four".