30666697340 has 12 divisors (see below), whose sum is σ = 64400064456. Its totient is φ = 12266678928.

The previous prime is 30666697291. The next prime is 30666697349. The reversal of 30666697340 is 4379666603.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30666697349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 766667414 + ... + 766667453.

It is an arithmetic number, because the mean of its divisors is an integer number (5366672038).

Almost surely, 2^30666697340 is an apocalyptic number.

It is an amenable number.

30666697340 is an abundant number, since it is smaller than the sum of its proper divisors (33733367116).

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

30666697340 is a wasteful number, since it uses less digits than its factorization.

30666697340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533334876 (or 1533334874 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 50.

The spelling of 30666697340 in words is "thirty billion, six hundred sixty-six million, six hundred ninety-seven thousand, three hundred forty".