40340234302 has 4 divisors (see below), whose sum is σ = 60510351456. Its totient is φ = 20170117150.

The previous prime is 40340234299. The next prime is 40340234309. The reversal of 40340234302 is 20343204304.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40340234309) 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 as a sum of consecutive naturals, namely, 10085058574 + ... + 10085058577.

It is an arithmetic number, because the mean of its divisors is an integer number (15127587864).

Almost surely, 2^40340234302 is an apocalyptic number.

40340234302 is a deficient number, since it is larger than the sum of its proper divisors (20170117154).

40340234302 is a wasteful number, since it uses less digits than its factorization.

40340234302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20170117153.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 40340234302 its reverse (20343204304), we get a palindrome (60683438606).

The spelling of 40340234302 in words is "forty billion, three hundred forty million, two hundred thirty-four thousand, three hundred two".