33240144355 has 16 divisors (see below), whose sum is σ = 44335400544. Its totient is φ = 23718522880.

The previous prime is 33240144347. The next prime is 33240144391. The reversal of 33240144355 is 55344104233.

It is a happy number.

It is not a de Polignac number, because 33240144355 - 2³ = 33240144347 is a prime.

It is a super-2 number, since 2×33240144355² (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 33240144355.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5698654 + ... + 5704483.

It is an arithmetic number, because the mean of its divisors is an integer number (2770962534).

Almost surely, 2^33240144355 is an apocalyptic number.

33240144355 is a deficient number, since it is larger than the sum of its proper divisors (11095256189).

33240144355 is a wasteful number, since it uses less digits than its factorization.

33240144355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11403206.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 33240144355 its reverse (55344104233), we get a palindrome (88584248588).

The spelling of 33240144355 in words is "thirty-three billion, two hundred forty million, one hundred forty-four thousand, three hundred fifty-five".