33834817640 has 64 divisors (see below), whose sum is σ = 82527500160. Its totient is φ = 12410092800.

The previous prime is 33834817633. The next prime is 33834817651. The reversal of 33834817640 is 4671843833.

It is a super-2 number, since 2×33834817640² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136934 + ... + 293973.

It is an arithmetic number, because the mean of its divisors is an integer number (1289492190).

Almost surely, 2^33834817640 is an apocalyptic number.

It is an amenable number.

33834817640 is an abundant number, since it is smaller than the sum of its proper divisors (48692682520).

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

33834817640 is a wasteful number, since it uses less digits than its factorization.

33834817640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431082 (or 431078 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 47.

The spelling of 33834817640 in words is "thirty-three billion, eight hundred thirty-four million, eight hundred seventeen thousand, six hundred forty".