40232120430413 has 8 divisors (see below), whose sum is σ = 40542442523448. Its totient is φ = 39922848497664.

The previous prime is 40232120430379. The next prime is 40232120430421. The reversal of 40232120430413 is 31403402123204.

It can be written as a sum of positive squares in 4 ways, for example, as 17690923899364 + 22541196531049 = 4206058^2 + 4747757^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40232120430413 is a prime.

It is a super-3 number, since 3×40232120430413³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40232120430443) 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, 262463156 + ... + 262616397.

It is an arithmetic number, because the mean of its divisors is an integer number (5067805315431).

Almost surely, 2^{40232120430413} is an apocalyptic number.

It is an amenable number.

40232120430413 is a deficient number, since it is larger than the sum of its proper divisors (310322093035).

40232120430413 is a wasteful number, since it uses less digits than its factorization.

40232120430413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525080143.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 40232120430413 its reverse (31403402123204), we get a palindrome (71635522553617).

The spelling of 40232120430413 in words is "forty trillion, two hundred thirty-two billion, one hundred twenty million, four hundred thirty thousand, four hundred thirteen".