2104544440 has 16 divisors (see below), whose sum is σ = 4735225080. Its totient is φ = 841817760.

The previous prime is 2104544419. The next prime is 2104544447. The reversal of 2104544440 is 444454012.

It is a junction number, because it is equal to n+sod(n) for n = 2104544399 and 2104544408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104544447) 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 3 ways as a sum of consecutive naturals, for example, 26306766 + ... + 26306845.

Almost surely, 2^2104544440 is an apocalyptic number.

2104544440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2104544440 is an abundant number, since it is smaller than the sum of its proper divisors (2630680640).

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

2104544440 is a wasteful number, since it uses less digits than its factorization.

2104544440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52613622 (or 52613618 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 2104544440 is about 45875.3140588705. The cubic root of 2104544440 is about 1281.5022320308.

Adding to 2104544440 its reverse (444454012), we get a palindrome (2548998452).

The spelling of 2104544440 in words is "two billion, one hundred four million, five hundred forty-four thousand, four hundred forty".