33645234044 has 6 divisors (see below), whose sum is σ = 58879159584. Its totient is φ = 16822617020.

The previous prime is 33645234043. The next prime is 33645234059. The reversal of 33645234044 is 44043254633.

It is a super-2 number, since 2×33645234044² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33645233989 and 33645234007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33645234043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4205654252 + ... + 4205654259.

It is an arithmetic number, because the mean of its divisors is an integer number (9813193264).

Almost surely, 2^33645234044 is an apocalyptic number.

It is an amenable number.

33645234044 is a deficient number, since it is larger than the sum of its proper divisors (25233925540).

33645234044 is a wasteful number, since it uses less digits than its factorization.

33645234044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8411308515 (or 8411308513 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 38.

Adding to 33645234044 its reverse (44043254633), we get a palindrome (77688488677).

The spelling of 33645234044 in words is "thirty-three billion, six hundred forty-five million, two hundred thirty-four thousand, forty-four".