30256143502236 has 24 divisors (see below), whose sum is σ = 70790032400640. Its totient is φ = 10057900563312.

The previous prime is 30256143502229. The next prime is 30256143502237. The reversal of 30256143502236 is 63220534165203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30256143502237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3435070926 + ... + 3435079733.

It is an arithmetic number, because the mean of its divisors is an integer number (2949584683360).

Almost surely, 2^{30256143502236} is an apocalyptic number.

It is an amenable number.

30256143502236 is an abundant number, since it is smaller than the sum of its proper divisors (40533888898404).

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

30256143502236 is a wasteful number, since it uses less digits than its factorization.

30256143502236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6870151033 (or 6870151031 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 42.

Adding to 30256143502236 its reverse (63220534165203), we get a palindrome (93476677667439).

The spelling of 30256143502236 in words is "thirty trillion, two hundred fifty-six billion, one hundred forty-three million, five hundred two thousand, two hundred thirty-six".