30253240324520 has 16 divisors (see below), whose sum is σ = 68069790730260. Its totient is φ = 12101296129792.

The previous prime is 30253240324453. The next prime is 30253240324547. The reversal of 30253240324520 is 2542304235203.

It can be written as a sum of positive squares in 2 ways, for example, as 27254434654084 + 2998805670436 = 5220578^2 + 1731706^2 .

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, 378165504017 + ... + 378165504096.

Almost surely, 2^{30253240324520} is an apocalyptic number.

It is an amenable number.

30253240324520 is an abundant number, since it is smaller than the sum of its proper divisors (37816550405740).

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

30253240324520 is a wasteful number, since it uses less digits than its factorization.

30253240324520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756331008124 (or 756331008120 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 35.

Adding to 30253240324520 its reverse (2542304235203), we get a palindrome (32795544559723).

The spelling of 30253240324520 in words is "thirty trillion, two hundred fifty-three billion, two hundred forty million, three hundred twenty-four thousand, five hundred twenty".