40394019803 has 8 divisors (see below), whose sum is σ = 40518273600. Its totient is φ = 40269822208.

The previous prime is 40394019797. The next prime is 40394019823. The reversal of 40394019803 is 30891049304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40394019803 - 2³⁰ = 39320277979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40394019823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1767413 + ... + 1790121.

It is an arithmetic number, because the mean of its divisors is an integer number (5064784200).

Almost surely, 2^40394019803 is an apocalyptic number.

40394019803 is a deficient number, since it is larger than the sum of its proper divisors (124253797).

40394019803 is a wasteful number, since it uses less digits than its factorization.

40394019803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28101.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 40394019803 in words is "forty billion, three hundred ninety-four million, nineteen thousand, eight hundred three".