33640310612 has 6 divisors (see below), whose sum is σ = 58870543578. Its totient is φ = 16820155304.

The previous prime is 33640310611. The next prime is 33640310659. The reversal of 33640310612 is 21601304633.

It can be written as a sum of positive squares in only one way, i.e., 26831750416 + 6808560196 = 163804^2 + 82514^2 .

It is a super-2 number, since 2×33640310612² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33640310611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4205038823 + ... + 4205038830.

It is an arithmetic number, because the mean of its divisors is an integer number (9811757263).

Almost surely, 2^33640310612 is an apocalyptic number.

It is an amenable number.

33640310612 is a deficient number, since it is larger than the sum of its proper divisors (25230232966).

33640310612 is a wasteful number, since it uses less digits than its factorization.

33640310612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8410077657 (or 8410077655 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 33640310612 in words is "thirty-three billion, six hundred forty million, three hundred ten thousand, six hundred twelve".