30405552664 has 8 divisors (see below), whose sum is σ = 57010411260. Its totient is φ = 15202776328.

The previous prime is 30405552659. The next prime is 30405552689. The reversal of 30405552664 is 46625550403.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1900347034 + ... + 1900347049.

Almost surely, 2^30405552664 is an apocalyptic number.

It is an amenable number.

30405552664 is a deficient number, since it is larger than the sum of its proper divisors (26604858596).

30405552664 is a wasteful number, since it uses less digits than its factorization.

30405552664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3800694089 (or 3800694085 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 30405552664 in words is "thirty billion, four hundred five million, five hundred fifty-two thousand, six hundred sixty-four".