40343213334 has 32 divisors (see below), whose sum is σ = 81888365664. Its totient is φ = 13247850240.

The previous prime is 40343213321. The next prime is 40343213341. The reversal of 40343213334 is 43331234304.

It is a super-2 number, since 2×40343213334² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319624 + ... + 427604.

It is an arithmetic number, because the mean of its divisors is an integer number (2559011427).

Almost surely, 2^40343213334 is an apocalyptic number.

40343213334 is an abundant number, since it is smaller than the sum of its proper divisors (41545152330).

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

40343213334 is a wasteful number, since it uses less digits than its factorization.

40343213334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108912.

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 40343213334 its reverse (43331234304), we get a palindrome (83674447638).

The spelling of 40343213334 in words is "forty billion, three hundred forty-three million, two hundred thirteen thousand, three hundred thirty-four".