2144895828 has 24 divisors (see below), whose sum is σ = 5166201600. Its totient is φ = 691901760.

The previous prime is 2144895821. The next prime is 2144895839. The reversal of 2144895828 is 8285984412.

It is a super-2 number, since 2×2144895828² = 9201156225943611168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144895821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2882553 + ... + 2883296.

It is an arithmetic number, because the mean of its divisors is an integer number (215258400).

Almost surely, 2^2144895828 is an apocalyptic number.

It is an amenable number.

2144895828 is an abundant number, since it is smaller than the sum of its proper divisors (3021305772).

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

2144895828 is a wasteful number, since it uses less digits than its factorization.

2144895828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5765887 (or 5765885 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 51.

The square root of 2144895828 is about 46313.0200699544. The cubic root of 2144895828 is about 1289.6407123926.

The spelling of 2144895828 in words is "two billion, one hundred forty-four million, eight hundred ninety-five thousand, eight hundred twenty-eight".