30426210666 has 48 divisors (see below), whose sum is σ = 71687855304. Its totient is φ = 9287488512.

The previous prime is 30426210641. The next prime is 30426210667. The reversal of 30426210666 is 66601262403.

30426210666 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 28469475441 + 1956735225 = 168729^2 + 44235^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30426210666.

It is not an unprimeable number, because it can be changed into a prime (30426210667) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1332355 + ... + 1354998.

Almost surely, 2^30426210666 is an apocalyptic number.

30426210666 is an abundant number, since it is smaller than the sum of its proper divisors (41261644638).

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

30426210666 is a wasteful number, since it uses less digits than its factorization.

30426210666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687415 (or 2687412 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 30426210666 in words is "thirty billion, four hundred twenty-six million, two hundred ten thousand, six hundred sixty-six".