1040443434 has 16 divisors (see below), whose sum is σ = 2312096640. Its totient is φ = 346814460.

The previous prime is 1040443423. The next prime is 1040443447. The reversal of 1040443434 is 4343440401.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1040443398 and 1040443407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9633682 + ... + 9633789.

It is an arithmetic number, because the mean of its divisors is an integer number (144506040).

Almost surely, 2^1040443434 is an apocalyptic number.

1040443434 is an abundant number, since it is smaller than the sum of its proper divisors (1271653206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1040443434 is a wasteful number, since it uses less digits than its factorization.

1040443434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19267482 (or 19267476 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 1040443434 is about 32255.9054128077. The cubic root of 1040443434 is about 1013.3033799385.

Adding to 1040443434 its reverse (4343440401), we get a palindrome (5383883835).

The spelling of 1040443434 in words is "one billion, forty million, four hundred forty-three thousand, four hundred thirty-four".