2443454044240 has 80 divisors (see below), whose sum is σ = 6329349538560. Its totient is φ = 869623861760.

The previous prime is 2443454044237. The next prime is 2443454044259. The reversal of 2443454044240 is 424404543442.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 2443454044193 and 2443454044202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29497495 + ... + 29580214.

It is an arithmetic number, because the mean of its divisors is an integer number (79116869232).

Almost surely, 2^{2443454044240} is an apocalyptic number.

2443454044240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2443454044240 is an abundant number, since it is smaller than the sum of its proper divisors (3885895494320).

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

2443454044240 is a wasteful number, since it uses less digits than its factorization.

2443454044240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59077780 (or 59077774 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 40.

Adding to 2443454044240 its reverse (424404543442), we get a palindrome (2867858587682).

The spelling of 2443454044240 in words is "two trillion, four hundred forty-three billion, four hundred fifty-four million, forty-four thousand, two hundred forty".