2044440620 has 24 divisors (see below), whose sum is σ = 4363710288. Its totient is φ = 804369600.

The previous prime is 2044440577. The next prime is 2044440649. The reversal of 2044440620 is 260444402.

It is a super-3 number, since 3×2044440620³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2044440620.

It is an unprimeable number.

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, 836666 + ... + 839105.

It is an arithmetic number, because the mean of its divisors is an integer number (181821262).

Almost surely, 2^2044440620 is an apocalyptic number.

2044440620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2044440620 is an abundant number, since it is smaller than the sum of its proper divisors (2319269668).

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

2044440620 is a wasteful number, since it uses less digits than its factorization.

2044440620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675841 (or 1675839 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 2044440620 is about 45215.4909295476. The cubic root of 2044440620 is about 1269.1847165735.

The spelling of 2044440620 in words is "two billion, forty-four million, four hundred forty thousand, six hundred twenty".