30305552805 has 48 divisors (see below), whose sum is σ = 60321119040. Its totient is φ = 13920249600.

The previous prime is 30305552803. The next prime is 30305552833. The reversal of 30305552805 is 50825550303.

It is not a de Polignac number, because 30305552805 - 2¹ = 30305552803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30305552805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30305552803) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1601736 + ... + 1620545.

It is an arithmetic number, because the mean of its divisors is an integer number (1256689980).

Almost surely, 2^30305552805 is an apocalyptic number.

It is an amenable number.

30305552805 is a deficient number, since it is larger than the sum of its proper divisors (30015566235).

30305552805 is a wasteful number, since it uses less digits than its factorization.

30305552805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222322 (or 3222319 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 30305552805 in words is "thirty billion, three hundred five million, five hundred fifty-two thousand, eight hundred five".