1043404004 has 12 divisors (see below), whose sum is σ = 1860409404. Its totient is φ = 511858464.

The previous prime is 1043403989. The next prime is 1043404007. The reversal of 1043404004 is 4004043401.

It can be written as a sum of positive squares in 2 ways, for example, as 812364004 + 231040000 = 28502^2 + 15200^2 .

It is not an unprimeable number, because it can be changed into a prime (1043404007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2460647 + ... + 2461070.

It is an arithmetic number, because the mean of its divisors is an integer number (155034117).

Almost surely, 2^1043404004 is an apocalyptic number.

It is an amenable number.

1043404004 is a deficient number, since it is larger than the sum of its proper divisors (817005400).

1043404004 is a wasteful number, since it uses less digits than its factorization.

1043404004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4921774 (or 4921772 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1043404004 is about 32301.7647195939. The cubic root of 1043404004 is about 1014.2635841914.

Adding to 1043404004 its reverse (4004043401), we get a palindrome (5047447405).

The spelling of 1043404004 in words is "one billion, forty-three million, four hundred four thousand, four".