1103440329 has 12 divisors (see below), whose sum is σ = 1630925296. Its totient is φ = 718519032.

The previous prime is 1103440279. The next prime is 1103440391. The reversal of 1103440329 is 9230443011.

It is not a de Polignac number, because 1103440329 - 2¹⁶ = 1103374793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103440829) 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 11 ways as a sum of consecutive naturals, for example, 1425247 + ... + 1426020.

Almost surely, 2^1103440329 is an apocalyptic number.

It is an amenable number.

1103440329 is a deficient number, since it is larger than the sum of its proper divisors (527484967).

1103440329 is a wasteful number, since it uses less digits than its factorization.

1103440329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851316 (or 2851313 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1103440329 is about 33218.0723251666. The cubic root of 1103440329 is about 1033.3551721942.

The spelling of 1103440329 in words is "one billion, one hundred three million, four hundred forty thousand, three hundred twenty-nine".