33814066840 has 16 divisors (see below), whose sum is σ = 76081650480. Its totient is φ = 13525626720.

The previous prime is 33814066829. The next prime is 33814066859. The reversal of 33814066840 is 4866041833.

It is a super-2 number, since 2×33814066840² (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 3 ways as a sum of consecutive naturals, for example, 422675796 + ... + 422675875.

It is an arithmetic number, because the mean of its divisors is an integer number (4755103155).

Almost surely, 2^33814066840 is an apocalyptic number.

It is an amenable number.

33814066840 is an abundant number, since it is smaller than the sum of its proper divisors (42267583640).

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

33814066840 is a wasteful number, since it uses less digits than its factorization.

33814066840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845351682 (or 845351678 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 33814066840 in words is "thirty-three billion, eight hundred fourteen million, sixty-six thousand, eight hundred forty".