30694352250 has 64 divisors (see below), whose sum is σ = 76728203136. Its totient is φ = 8172864000.

The previous prime is 30694352201. The next prime is 30694352257. The reversal of 30694352250 is 5225349603.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30694352199 and 30694352208.

It is not an unprimeable number, because it can be changed into a prime (30694352257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 474345 + ... + 535155.

It is an arithmetic number, because the mean of its divisors is an integer number (1198878174).

Almost surely, 2^30694352250 is an apocalyptic number.

30694352250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30694352250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38364101568).

30694352250 is an abundant number, since it is smaller than the sum of its proper divisors (46033850886).

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

30694352250 is a wasteful number, since it uses less digits than its factorization.

30694352250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61504 (or 61494 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 39.

The spelling of 30694352250 in words is "thirty billion, six hundred ninety-four million, three hundred fifty-two thousand, two hundred fifty".