2443404240440 has 16 divisors (see below), whose sum is σ = 5497659541080. Its totient is φ = 977361696160.

The previous prime is 2443404240421. The next prime is 2443404240463. The reversal of 2443404240440 is 440424043442.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2443404240440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30542552966 + ... + 30542553045.

Almost surely, 2^{2443404240440} is an apocalyptic number.

2443404240440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2443404240440 is an abundant number, since it is smaller than the sum of its proper divisors (3054255300640).

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

2443404240440 is a wasteful number, since it uses less digits than its factorization.

2443404240440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61085106022 (or 61085106018 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 35.

Adding to 2443404240440 its reverse (440424043442), we get a palindrome (2883828283882).

The spelling of 2443404240440 in words is "two trillion, four hundred forty-three billion, four hundred four million, two hundred forty thousand, four hundred forty".