4025278568 has 16 divisors (see below), whose sum is σ = 7548210180. Its totient is φ = 2012422528.

The previous prime is 4025278567. The next prime is 4025278583. The reversal of 4025278568 is 8658725204.

It can be written as a sum of positive squares in 2 ways, for example, as 3826412164 + 198866404 = 61858^2 + 14102^2 .

It is not an unprimeable number, because it can be changed into a prime (4025278567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74030 + ... + 116322.

Almost surely, 2^4025278568 is an apocalyptic number.

It is an amenable number.

4025278568 is a deficient number, since it is larger than the sum of its proper divisors (3522931612).

4025278568 is a wasteful number, since it uses less digits than its factorization.

4025278568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54196 (or 54192 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 47.

The square root of 4025278568 is about 63445.0830876594. The cubic root of 4025278568 is about 1590.7379678905.

The spelling of 4025278568 in words is "four billion, twenty-five million, two hundred seventy-eight thousand, five hundred sixty-eight".