2445044440 has 32 divisors (see below), whose sum is σ = 5740541280. Its totient is φ = 935494912.

The previous prime is 2445044423. The next prime is 2445044443. The reversal of 2445044440 is 444405442.

2445044440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2445044443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1327909 + ... + 1329748.

It is an arithmetic number, because the mean of its divisors is an integer number (179391915).

Almost surely, 2^2445044440 is an apocalyptic number.

2445044440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2445044440 is an abundant number, since it is smaller than the sum of its proper divisors (3295496840).

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

2445044440 is a wasteful number, since it uses less digits than its factorization.

2445044440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2657691 (or 2657687 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 31.

The square root of 2445044440 is about 49447.3906288289. The cubic root of 2445044440 is about 1347.1902126783.

Adding to 2445044440 its reverse (444405442), we get a palindrome (2889449882).

The spelling of 2445044440 in words is "two billion, four hundred forty-five million, forty-four thousand, four hundred forty".