2144826490 has 16 divisors (see below), whose sum is σ = 3923978760. Its totient is φ = 843865920.

The previous prime is 2144826487. The next prime is 2144826491. The reversal of 2144826490 is 946284412.

It can be written as a sum of positive squares in 4 ways, for example, as 1842727329 + 302099161 = 42927^2 + 17381^2 .

It is not an unprimeable number, because it can be changed into a prime (2144826491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1757445 + ... + 1758664.

Almost surely, 2^2144826490 is an apocalyptic number.

2144826490 is a deficient number, since it is larger than the sum of its proper divisors (1779152270).

2144826490 is a wasteful number, since it uses less digits than its factorization.

2144826490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3516177.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 2144826490 is about 46312.2714839167. The cubic root of 2144826490 is about 1289.6268155139.

The spelling of 2144826490 in words is "two billion, one hundred forty-four million, eight hundred twenty-six thousand, four hundred ninety".