33805040000 has 80 divisors (see below), whose sum is σ = 84155733420. Its totient is φ = 13521984000.

The previous prime is 33805039969. The next prime is 33805040069. The reversal of 33805040000 is 4050833.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×33805040000² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 131282 + ... + 291281.

Almost surely, 2^33805040000 is an apocalyptic number.

It is an amenable number.

33805040000 is an abundant number, since it is smaller than the sum of its proper divisors (50350693420).

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

33805040000 is an frugal number, since it uses more digits than its factorization.

33805040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422597 (or 422570 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 33805040000 its reverse (4050833), we get a palindrome (33809090833).

The spelling of 33805040000 in words is "thirty-three billion, eight hundred five million, forty thousand".