4253778216 has 192 divisors, whose sum is σ = 12974644800. Its totient is φ = 1251072000.

The previous prime is 4253778211. The next prime is 4253778239. The reversal of 4253778216 is 6128773524.

4253778216 is a `hidden beast` number, since 42 + 537 + 78 + 2 + 1 + 6 = 666.

It is a super-2 number, since 2×4253778216² = 36189258221832285312, which contains 22 as substring.

Its product of digits (564480) is a multiple of the sum of its prime factors (1960).

It is not an unprimeable number, because it can be changed into a prime (4253778211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2347951 + ... + 2349761.

It is an arithmetic number, because the mean of its divisors is an integer number (67576275).

Almost surely, 2^4253778216 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 4253778216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6487322400).

4253778216 is an abundant number, since it is smaller than the sum of its proper divisors (8720866584).

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

4253778216 is a wasteful number, since it uses less digits than its factorization.

4253778216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960 (or 1953 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 4253778216 is about 65220.9952085983. The cubic root of 4253778216 is about 1620.2857566332.

The spelling of 4253778216 in words is "four billion, two hundred fifty-three million, seven hundred seventy-eight thousand, two hundred sixteen".