40444390003 has 4 divisors (see below), whose sum is σ = 40656140928. Its totient is φ = 40232639080.

The previous prime is 40444390001. The next prime is 40444390057. The reversal of 40444390003 is 30009344404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40444390003 - 2¹ = 40444390001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40444390001) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 105875176 + ... + 105875557.

It is an arithmetic number, because the mean of its divisors is an integer number (10164035232).

Almost surely, 2^40444390003 is an apocalyptic number.

40444390003 is a deficient number, since it is larger than the sum of its proper divisors (211750925).

40444390003 is a wasteful number, since it uses less digits than its factorization.

40444390003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211750924.

The product of its (nonzero) digits is 20736, while the sum is 31.

The spelling of 40444390003 in words is "forty billion, four hundred forty-four million, three hundred ninety thousand, three".