30729168250 has 64 divisors (see below), whose sum is σ = 63118268928. Its totient is φ = 11109480000.

The previous prime is 30729168247. The next prime is 30729168251. The reversal of 30729168250 is 5286192703.

It is a junction number, because it is equal to n+sod(n) for n = 30729168197 and 30729168206.

It is not an unprimeable number, because it can be changed into a prime (30729168251) 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, 443455 + ... + 508045.

It is an arithmetic number, because the mean of its divisors is an integer number (986222952).

Almost surely, 2^30729168250 is an apocalyptic number.

30729168250 is an abundant number, since it is smaller than the sum of its proper divisors (32389100678).

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

30729168250 is a wasteful number, since it uses less digits than its factorization.

30729168250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64792 (or 64782 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 30729168250 in words is "thirty billion, seven hundred twenty-nine million, one hundred sixty-eight thousand, two hundred fifty".