1040403412 has 18 divisors (see below), whose sum is σ = 1838629338. Its totient is φ = 515130192.

The previous prime is 1040403401. The next prime is 1040403457. The reversal of 1040403412 is 2143040401.

1040403412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 761980816 + 278422596 = 27604^2 + 16686^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1040403412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30178 + ... + 54694.

Almost surely, 2^1040403412 is an apocalyptic number.

It is an amenable number.

1040403412 is a deficient number, since it is larger than the sum of its proper divisors (798225926).

1040403412 is a wasteful number, since it uses less digits than its factorization.

1040403412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24727 (or 24622 counting only the distinct ones).

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

The square root of 1040403412 is about 32255.2850243181. The cubic root of 1040403412 is about 1013.2903870977.

Adding to 1040403412 its reverse (2143040401), we get a palindrome (3183443813).

The spelling of 1040403412 in words is "one billion, forty million, four hundred three thousand, four hundred twelve".