2044891490 has 8 divisors (see below), whose sum is σ = 3680804700. Its totient is φ = 817956592.

The previous prime is 2044891489. The next prime is 2044891493. The reversal of 2044891490 is 941984402.

It can be written as a sum of positive squares in 2 ways, for example, as 2027610841 + 17280649 = 45029^2 + 4157^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2044891493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102244565 + ... + 102244584.

Almost surely, 2^2044891490 is an apocalyptic number.

2044891490 is a deficient number, since it is larger than the sum of its proper divisors (1635913210).

2044891490 is a wasteful number, since it uses less digits than its factorization.

2044891490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204489156.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 2044891490 is about 45220.4764459642. The cubic root of 2044891490 is about 1269.2780094522.

The spelling of 2044891490 in words is "two billion, forty-four million, eight hundred ninety-one thousand, four hundred ninety".