33853197144 has 48 divisors (see below), whose sum is σ = 91644021000. Its totient is φ = 10416367104.

The previous prime is 33853197143. The next prime is 33853197187. The reversal of 33853197144 is 44179135833.

It is a happy number.

It is a super-2 number, since 2×33853197144² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33853197093 and 33853197102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33853197143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4169169 + ... + 4177280.

Almost surely, 2^33853197144 is an apocalyptic number.

It is an amenable number.

33853197144 is an abundant number, since it is smaller than the sum of its proper divisors (57790823856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33853197144 is a wasteful number, since it uses less digits than its factorization.

33853197144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8346484 (or 8346467 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The spelling of 33853197144 in words is "thirty-three billion, eight hundred fifty-three million, one hundred ninety-seven thousand, one hundred forty-four".