40345240345 has 8 divisors (see below), whose sum is σ = 48546209664. Its totient is φ = 32188244784.

The previous prime is 40345240333. The next prime is 40345240367. The reversal of 40345240345 is 54304254304.

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 40345240345 - 2¹⁹ = 40344716057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40345240345.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10991419 + ... + 10995088.

It is an arithmetic number, because the mean of its divisors is an integer number (6068276208).

Almost surely, 2^40345240345 is an apocalyptic number.

It is an amenable number.

40345240345 is a deficient number, since it is larger than the sum of its proper divisors (8200969319).

40345240345 is a wasteful number, since it uses less digits than its factorization.

40345240345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21986879.

The product of its (nonzero) digits is 115200, while the sum is 34.

Adding to 40345240345 its reverse (54304254304), we get a palindrome (94649494649).

The spelling of 40345240345 in words is "forty billion, three hundred forty-five million, two hundred forty thousand, three hundred forty-five".