40344343434430 has 64 divisors (see below), whose sum is σ = 85308976507392. Its totient is φ = 13447159850880.

The previous prime is 40344343434413. The next prime is 40344343434449. The reversal of 40344343434430 is 3443434344304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3487156 + ... + 9635815.

It is an arithmetic number, because the mean of its divisors is an integer number (1332952757928).

Almost surely, 2^{40344343434430} is an apocalyptic number.

40344343434430 is an abundant number, since it is smaller than the sum of its proper divisors (44964633072962).

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

40344343434430 is a wasteful number, since it uses less digits than its factorization.

40344343434430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13124209.

The product of its (nonzero) digits is 3981312, while the sum is 43.

Adding to 40344343434430 its reverse (3443434344304), we get a palindrome (43787777778734).

The spelling of 40344343434430 in words is "forty trillion, three hundred forty-four billion, three hundred forty-three million, four hundred thirty-four thousand, four hundred thirty".