2044467821 has 16 divisors (see below), whose sum is σ = 2367558720. Its totient is φ = 1744807680.

The previous prime is 2044467797. The next prime is 2044467827. The reversal of 2044467821 is 1287644402.

It is not a de Polignac number, because 2044467821 - 2¹⁸ = 2044205677 is a prime.

It is a super-2 number, since 2×2044467821² = 8359697342208976082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044467827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60470 + ... + 88008.

It is an arithmetic number, because the mean of its divisors is an integer number (147972420).

Almost surely, 2^2044467821 is an apocalyptic number.

It is an amenable number.

2044467821 is a deficient number, since it is larger than the sum of its proper divisors (323090899).

2044467821 is a wasteful number, since it uses less digits than its factorization.

2044467821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27964.

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 2044467821 is about 45215.7917214771. The cubic root of 2044467821 is about 1269.1903453243.

The spelling of 2044467821 in words is "two billion, forty-four million, four hundred sixty-seven thousand, eight hundred twenty-one".