40403344208 has 20 divisors (see below), whose sum is σ = 80101980288. Its totient is φ = 19731865440.

The previous prime is 40403344207. The next prime is 40403344217. The reversal of 40403344208 is 80244330404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40403344207) 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, 29362208 + ... + 29363583.

Almost surely, 2^40403344208 is an apocalyptic number.

It is an amenable number.

40403344208 is a deficient number, since it is larger than the sum of its proper divisors (39698636080).

40403344208 is a wasteful number, since it uses less digits than its factorization.

40403344208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58725842 (or 58725836 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

The spelling of 40403344208 in words is "forty billion, four hundred three million, three hundred forty-four thousand, two hundred eight".