40234041343 has 4 divisors (see below), whose sum is σ = 40234542808. Its totient is φ = 40233539880.

The previous prime is 40234041329. The next prime is 40234041347. The reversal of 40234041343 is 34314043204.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40234041343 - 2⁵ = 40234041311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40234041347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100296 + ... + 300877.

It is an arithmetic number, because the mean of its divisors is an integer number (10058635702).

Almost surely, 2^40234041343 is an apocalyptic number.

40234041343 is a deficient number, since it is larger than the sum of its proper divisors (501465).

40234041343 is a wasteful number, since it uses less digits than its factorization.

40234041343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501464.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 40234041343 its reverse (34314043204), we get a palindrome (74548084547).

The spelling of 40234041343 in words is "forty billion, two hundred thirty-four million, forty-one thousand, three hundred forty-three".