30666400832 has 14 divisors (see below), whose sum is σ = 60853639278. Its totient is φ = 15333200384.

The previous prime is 30666400829. The next prime is 30666400873. The reversal of 30666400832 is 23800466603.

It can be written as a sum of positive squares in only one way, i.e., 22989837376 + 7676563456 = 151624^2 + 87616^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239581193 + ... + 239581320.

Almost surely, 2^30666400832 is an apocalyptic number.

30666400832 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30666400832 is a deficient number, since it is larger than the sum of its proper divisors (30187238446).

30666400832 is an equidigital number, since it uses as much as digits as its factorization.

30666400832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479162525 (or 479162515 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 30666400832 in words is "thirty billion, six hundred sixty-six million, four hundred thousand, eight hundred thirty-two".