4245194272 has 96 divisors (see below), whose sum is σ = 9569798784. Its totient is φ = 1834905600.

The previous prime is 4245194267. The next prime is 4245194279. The reversal of 4245194272 is 2724915424.

It is not an unprimeable number, because it can be changed into a prime (4245194279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1463928 + ... + 1466824.

It is an arithmetic number, because the mean of its divisors is an integer number (99685404).

Almost surely, 2^4245194272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4245194272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4784899392).

4245194272 is an abundant number, since it is smaller than the sum of its proper divisors (5324604512).

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

4245194272 is a wasteful number, since it uses less digits than its factorization.

4245194272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3122 (or 3114 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 4245194272 is about 65155.1553754574. The cubic root of 4245194272 is about 1619.1951333846.

The spelling of 4245194272 in words is "four billion, two hundred forty-five million, one hundred ninety-four thousand, two hundred seventy-two".