2444020400440 has 32 divisors (see below), whose sum is σ = 5534071685280. Its totient is φ = 971381354112.

The previous prime is 2444020400431. The next prime is 2444020400501. The reversal of 2444020400440 is 440040204442.

It is a junction number, because it is equal to n+sod(n) for n = 2444020400399 and 2444020400408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194581332 + ... + 194593891.

It is an arithmetic number, because the mean of its divisors is an integer number (172939740165).

Almost surely, 2^{2444020400440} is an apocalyptic number.

2444020400440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2444020400440 is an abundant number, since it is smaller than the sum of its proper divisors (3090051284840).

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

2444020400440 is a wasteful number, since it uses less digits than its factorization.

2444020400440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389175391 (or 389175387 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 2444020400440 its reverse (440040204442), we get a palindrome (2884060604882).

The spelling of 2444020400440 in words is "two trillion, four hundred forty-four billion, twenty million, four hundred thousand, four hundred forty".