40340344404 has 12 divisors (see below), whose sum is σ = 94127470304. Its totient is φ = 13446781464.

The previous prime is 40340344403. The next prime is 40340344459. The reversal of 40340344404 is 40444304304.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40340344403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1680847672 + ... + 1680847695.

Almost surely, 2^40340344404 is an apocalyptic number.

It is an amenable number.

40340344404 is an abundant number, since it is smaller than the sum of its proper divisors (53787125900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40340344404 is a wasteful number, since it uses less digits than its factorization.

40340344404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361695374 (or 3361695372 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 40340344404 its reverse (40444304304), we get a palindrome (80784648708).

The spelling of 40340344404 in words is "forty billion, three hundred forty million, three hundred forty-four thousand, four hundred four".