4257238194 has 24 divisors (see below), whose sum is σ = 10062563472. Its totient is φ = 1290072120.

The previous prime is 4257238169. The next prime is 4257238213. The reversal of 4257238194 is 4918327524.

4257238194 is a `hidden beast` number, since 42 + 572 + 38 + 1 + 9 + 4 = 666.

4257238194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10750404 + ... + 10750799.

It is an arithmetic number, because the mean of its divisors is an integer number (419273478).

Almost surely, 2^4257238194 is an apocalyptic number.

4257238194 is an abundant number, since it is smaller than the sum of its proper divisors (5805325278).

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

4257238194 is a wasteful number, since it uses less digits than its factorization.

4257238194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21501222 (or 21501219 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 4257238194 is about 65247.5148492263. The cubic root of 4257238194 is about 1620.7249453166.

The spelling of 4257238194 in words is "four billion, two hundred fifty-seven million, two hundred thirty-eight thousand, one hundred ninety-four".