1408441694 has 24 divisors (see below), whose sum is σ = 2376204600. Its totient is φ = 625307760.

The previous prime is 1408441603. The next prime is 1408441711. The reversal of 1408441694 is 4961448041.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57269 + ... + 78080.

It is an arithmetic number, because the mean of its divisors is an integer number (99008525).

Almost surely, 2^1408441694 is an apocalyptic number.

1408441694 is a deficient number, since it is larger than the sum of its proper divisors (967762906).

1408441694 is a wasteful number, since it uses less digits than its factorization.

1408441694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135416 (or 135405 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 1408441694 is about 37529.2112094033. The cubic root of 1408441694 is about 1120.9329211414.

The spelling of 1408441694 in words is "one billion, four hundred eight million, four hundred forty-one thousand, six hundred ninety-four".