40340004412 has 48 divisors (see below), whose sum is σ = 75254145120. Its totient is φ = 18855237632.

The previous prime is 40340004343. The next prime is 40340004421. The reversal of 40340004412 is 21440004304.

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 15 ways as a sum of consecutive naturals, for example, 9147264 + ... + 9151672.

It is an arithmetic number, because the mean of its divisors is an integer number (1567794690).

Almost surely, 2^40340004412 is an apocalyptic number.

It is an amenable number.

40340004412 is a deficient number, since it is larger than the sum of its proper divisors (34914140708).

40340004412 is a wasteful number, since it uses less digits than its factorization.

40340004412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5310 (or 5308 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 40340004412 its reverse (21440004304), we get a palindrome (61780008716).

The spelling of 40340004412 in words is "forty billion, three hundred forty million, four thousand, four hundred twelve".