2186052258 has 64 divisors (see below), whose sum is σ = 4964400000. Its totient is φ = 636180480.

The previous prime is 2186052251. The next prime is 2186052269. The reversal of 2186052258 is 8522506812.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (2186052251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1749618 + ... + 1750866.

It is an arithmetic number, because the mean of its divisors is an integer number (77568750).

Almost surely, 2^2186052258 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2186052258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2482200000).

2186052258 is an abundant number, since it is smaller than the sum of its proper divisors (2778347742).

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

2186052258 is a wasteful number, since it uses less digits than its factorization.

2186052258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2467.

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 2186052258 is about 46755.2377600628. The cubic root of 2186052258 is about 1297.8370854321.

The spelling of 2186052258 in words is "two billion, one hundred eighty-six million, fifty-two thousand, two hundred fifty-eight".