2044500261 has 8 divisors (see below), whose sum is σ = 2820000480. Its totient is φ = 1316000112.

The previous prime is 2044500259. The next prime is 2044500307. The reversal of 2044500261 is 1620054402.

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

It is not a de Polignac number, because 2044500261 - 2¹ = 2044500259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044540261) 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, 11749915 + ... + 11750088.

It is an arithmetic number, because the mean of its divisors is an integer number (352500060).

Almost surely, 2^2044500261 is an apocalyptic number.

It is an amenable number.

2044500261 is a deficient number, since it is larger than the sum of its proper divisors (775500219).

2044500261 is a wasteful number, since it uses less digits than its factorization.

2044500261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23500035.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2044500261 is about 45216.1504442826. The cubic root of 2044500261 is about 1269.1970581253.

Adding to 2044500261 its reverse (1620054402), we get a palindrome (3664554663).

The spelling of 2044500261 in words is "two billion, forty-four million, five hundred thousand, two hundred sixty-one".