30666540132 has 36 divisors (see below), whose sum is σ = 81598105680. Its totient is φ = 9684170352.

The previous prime is 30666540131. The next prime is 30666540137. The reversal of 30666540132 is 23104566603.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (30666540131) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 22416378 + ... + 22417745.

Almost surely, 2^30666540132 is an apocalyptic number.

It is an amenable number.

30666540132 is an abundant number, since it is smaller than the sum of its proper divisors (50931565548).

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

30666540132 is a wasteful number, since it uses less digits than its factorization.

30666540132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44834152 (or 44834147 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 30666540132 in words is "thirty billion, six hundred sixty-six million, five hundred forty thousand, one hundred thirty-two".