4027890258 has 54 divisors (see below), whose sum is σ = 10156680261. Its totient is φ = 1150287264.

The previous prime is 4027890247. The next prime is 4027890277. The reversal of 4027890258 is 8520987204.

4027890258 is a `hidden beast` number, since 40 + 278 + 90 + 258 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2851880409 + 1176009849 = 53403^2 + 34293^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=44877.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1883766 + ... + 1885902.

Almost surely, 2^4027890258 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4027890258

4027890258 is an abundant number, since it is smaller than the sum of its proper divisors (6128790003).

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

4027890258 is an equidigital number, since it uses as much as digits as its factorization.

4027890258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4296 (or 2149 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 4027890258 is about 63465.6620386174. The cubic root of 4027890258 is about 1591.0819288681.

The spelling of 4027890258 in words is "four billion, twenty-seven million, eight hundred ninety thousand, two hundred fifty-eight".