30257500194 has 48 divisors (see below), whose sum is σ = 65867045400. Its totient is φ = 10038386688.

The previous prime is 30257500193. The next prime is 30257500199. The reversal of 30257500194 is 49100575203.

It can be written as a sum of positive squares in 4 ways, for example, as 23107952169 + 7149548025 = 152013^2 + 84555^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30257500193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3611242 + ... + 3619610.

Almost surely, 2^30257500194 is an apocalyptic number.

30257500194 is an abundant number, since it is smaller than the sum of its proper divisors (35609545206).

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

30257500194 is a wasteful number, since it uses less digits than its factorization.

30257500194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9299 (or 9296 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The spelling of 30257500194 in words is "thirty billion, two hundred fifty-seven million, five hundred thousand, one hundred ninety-four".