40240383732343 has 4 divisors (see below), whose sum is σ = 40260473791128. Its totient is φ = 40220293673560.

The previous prime is 40240383732293. The next prime is 40240383732403. The reversal of 40240383732343 is 34323738304204.

40240383732343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40240383732343 is a prime.

It is a super-3 number, since 3×40240383732343³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40240383732293 and 40240383732302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40240383772343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10045026388 + ... + 10045030393.

It is an arithmetic number, because the mean of its divisors is an integer number (10065118447782).

Almost surely, 2^{40240383732343} is an apocalyptic number.

40240383732343 is a deficient number, since it is larger than the sum of its proper divisors (20090058785).

40240383732343 is a wasteful number, since it uses less digits than its factorization.

40240383732343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20090058784.

The product of its (nonzero) digits is 3483648, while the sum is 46.

The spelling of 40240383732343 in words is "forty trillion, two hundred forty billion, three hundred eighty-three million, seven hundred thirty-two thousand, three hundred forty-three".