4026378258 has 96 divisors (see below), whose sum is σ = 10331508096. Its totient is φ = 1109251584.

The previous prime is 4026378247. The next prime is 4026378259. The reversal of 4026378258 is 8528736204.

4026378258 is a `hidden beast` number, since 4 + 0 + 2 + 637 + 8 + 2 + 5 + 8 = 666.

It is a super-2 number, since 2×4026378258² = 32423443752990229128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4026378259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 522985 + ... + 530627.

It is an arithmetic number, because the mean of its divisors is an integer number (107619876).

Almost surely, 2^4026378258 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4026378258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5165754048).

4026378258 is an abundant number, since it is smaller than the sum of its proper divisors (6305129838).

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

4026378258 is a wasteful number, since it uses less digits than its factorization.

4026378258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7808 (or 7805 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 4026378258 is about 63453.7489672596. The cubic root of 4026378258 is about 1590.8828157835.

The spelling of 4026378258 in words is "four billion, twenty-six million, three hundred seventy-eight thousand, two hundred fifty-eight".