40040120322343 has 8 divisors (see below), whose sum is σ = 40831863722496. Its totient is φ = 39255741977400.

The previous prime is 40040120322337. The next prime is 40040120322359. The reversal of 40040120322343 is 34322302104004.

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 40040120322343 - 2³⁷ = 39902681368871 is a prime.

It is a super-2 number, since 2×40040120322343² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40040120325343) 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, 1841252823 + ... + 1841274568.

It is an arithmetic number, because the mean of its divisors is an integer number (5103982965312).

Almost surely, 2^{40040120322343} is an apocalyptic number.

40040120322343 is a deficient number, since it is larger than the sum of its proper divisors (791743400153).

40040120322343 is a wasteful number, since it uses less digits than its factorization.

40040120322343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682527605.

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

Adding to 40040120322343 its reverse (34322302104004), we get a palindrome (74362422426347).

The spelling of 40040120322343 in words is "forty trillion, forty billion, one hundred twenty million, three hundred twenty-two thousand, three hundred forty-three".