40343213321433 has 20 divisors (see below), whose sum is σ = 65744495784528. Its totient is φ = 24450432315480.

The previous prime is 40343213321399. The next prime is 40343213321447. The reversal of 40343213321433 is 33412331234304.

40343213321433 is a `hidden beast` number, since 4 + 0 + 3 + 4 + 3 + 213 + 3 + 2 + 1 + 433 = 666.

It is not a de Polignac number, because 40343213321433 - 2³⁸ = 40068335414489 is a prime.

It is a super-2 number, since 2×40343213321433² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40343213323433) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22639288291 + ... + 22639290072.

Almost surely, 2^{40343213321433} is an apocalyptic number.

It is an amenable number.

40343213321433 is a deficient number, since it is larger than the sum of its proper divisors (25401282463095).

40343213321433 is a wasteful number, since it uses less digits than its factorization.

40343213321433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45278578386 (or 45278578377 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 36.

Adding to 40343213321433 its reverse (33412331234304), we get a palindrome (73755544555737).

The spelling of 40343213321433 in words is "forty trillion, three hundred forty-three billion, two hundred thirteen million, three hundred twenty-one thousand, four hundred thirty-three".