2044024440 has 64 divisors (see below), whose sum is σ = 6178930560. Its totient is φ = 540908160.

The previous prime is 2044024403. The next prime is 2044024441. The reversal of 2044024440 is 444204402.

It is a super-2 number, since 2×2044024440² = 8356071822634627200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2044024440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044024441) 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, 49294 + ... + 80733.

It is an arithmetic number, because the mean of its divisors is an integer number (96545790).

Almost surely, 2^2044024440 is an apocalyptic number.

2044024440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2044024440 is an abundant number, since it is smaller than the sum of its proper divisors (4134906120).

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

2044024440 is a wasteful number, since it uses less digits than its factorization.

2044024440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130172 (or 130168 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 2044024440 is about 45210.8885115079. Note that the first 3 decimals coincide. The cubic root of 2044024440 is about 1269.0985894872.

Adding to 2044024440 its reverse (444204402), we get a palindrome (2488228842).

The spelling of 2044024440 in words is "two billion, forty-four million, twenty-four thousand, four hundred forty".