33450040331 has 4 divisors (see below), whose sum is σ = 33460122000. Its totient is φ = 33439958664.

The previous prime is 33450040297. The next prime is 33450040333. The reversal of 33450040331 is 13304005433.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 33450040331 - 2¹⁴ = 33450023947 is a prime.

It is a super-2 number, since 2×33450040331² (a number of 22 digits) contains 22 as substring.

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 33450040331.

It is not an unprimeable number, because it can be changed into a prime (33450040333) 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, 5035856 + ... + 5042493.

It is an arithmetic number, because the mean of its divisors is an integer number (8365030500).

Almost surely, 2^33450040331 is an apocalyptic number.

33450040331 is a deficient number, since it is larger than the sum of its proper divisors (10081669).

33450040331 is a wasteful number, since it uses less digits than its factorization.

33450040331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10081668.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 33450040331 its reverse (13304005433), we get a palindrome (46754045764).

The spelling of 33450040331 in words is "thirty-three billion, four hundred fifty million, forty thousand, three hundred thirty-one".