33665506340 has 24 divisors (see below), whose sum is σ = 70717577280. Its totient is φ = 13462390368.

The previous prime is 33665506337. The next prime is 33665506361. The reversal of 33665506340 is 4360556633.

It is a super-2 number, since 2×33665506340² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165302 + ... + 307661.

It is an arithmetic number, because the mean of its divisors is an integer number (2946565720).

Almost surely, 2^33665506340 is an apocalyptic number.

It is an amenable number.

33665506340 is an abundant number, since it is smaller than the sum of its proper divisors (37052070940).

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

33665506340 is a wasteful number, since it uses less digits than its factorization.

33665506340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476531 (or 476529 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 41.

The spelling of 33665506340 in words is "thirty-three billion, six hundred sixty-five million, five hundred six thousand, three hundred forty".