40345240343 has 8 divisors (see below), whose sum is σ = 41376061440. Its totient is φ = 39321603160.

The previous prime is 40345240333. The next prime is 40345240367. The reversal of 40345240343 is 34304254304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40345240343 - 2⁸ = 40345240087 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 (40345240303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1784603 + ... + 1807068.

It is an arithmetic number, because the mean of its divisors is an integer number (5172007680).

Almost surely, 2^40345240343 is an apocalyptic number.

40345240343 is a deficient number, since it is larger than the sum of its proper divisors (1030821097).

40345240343 is a wasteful number, since it uses less digits than its factorization.

40345240343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3591957.

The product of its (nonzero) digits is 69120, while the sum is 32.

Adding to 40345240343 its reverse (34304254304), we get a palindrome (74649494647).

The spelling of 40345240343 in words is "forty billion, three hundred forty-five million, two hundred forty thousand, three hundred forty-three".