4025005278 has 32 divisors (see below), whose sum is σ = 9233986560. Its totient is φ = 1145754720.

The previous prime is 4025005217. The next prime is 4025005297. The reversal of 4025005278 is 8725005204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165433 + ... + 188196.

It is an arithmetic number, because the mean of its divisors is an integer number (288562080).

Almost surely, 2^4025005278 is an apocalyptic number.

4025005278 is an abundant number, since it is smaller than the sum of its proper divisors (5208981282).

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

4025005278 is a wasteful number, since it uses less digits than its factorization.

4025005278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353912.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 4025005278 is about 63442.9292987012. The cubic root of 4025005278 is about 1590.7019668527.

The spelling of 4025005278 in words is "four billion, twenty-five million, five thousand, two hundred seventy-eight".