30605403152 has 20 divisors (see below), whose sum is σ = 59300684796. Its totient is φ = 15302000640.

The previous prime is 30605403149. The next prime is 30605403163. The reversal of 30605403152 is 25130450603.

It can be written as a sum of positive squares in 2 ways, for example, as 13256298496 + 17349104656 = 115136^2 + 131716^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637328 + ... + 683664.

Almost surely, 2^30605403152 is an apocalyptic number.

It is an amenable number.

30605403152 is a deficient number, since it is larger than the sum of its proper divisors (28695281644).

30605403152 is a wasteful number, since it uses less digits than its factorization.

30605403152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87626 (or 87620 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 30605403152 its reverse (25130450603), we get a palindrome (55735853755).

The spelling of 30605403152 in words is "thirty billion, six hundred five million, four hundred three thousand, one hundred fifty-two".