40333424513 has 4 divisors (see below), whose sum is σ = 40339779588. Its totient is φ = 40327069440.

The previous prime is 40333424507. The next prime is 40333424533. The reversal of 40333424513 is 31542433304.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20791621249 + 19541803264 = 144193^2 + 139792^2 .

It is a cyclic number.

It is not a de Polignac number, because 40333424513 - 2⁴ = 40333424497 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 40333424513.

It is not an unprimeable number, because it can be changed into a prime (40333424533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3168008 + ... + 3180713.

It is an arithmetic number, because the mean of its divisors is an integer number (10084944897).

Almost surely, 2^40333424513 is an apocalyptic number.

It is an amenable number.

40333424513 is a deficient number, since it is larger than the sum of its proper divisors (6355075).

40333424513 is an equidigital number, since it uses as much as digits as its factorization.

40333424513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6355074.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 40333424513 its reverse (31542433304), we get a palindrome (71875857817).

The spelling of 40333424513 in words is "forty billion, three hundred thirty-three million, four hundred twenty-four thousand, five hundred thirteen".