1340441124440 has 32 divisors (see below), whose sum is σ = 3290173670160. Its totient is φ = 487433136000.

The previous prime is 1340441124437. The next prime is 1340441124461. The reversal of 1340441124440 is 444211440431.

It is a junction number, because it is equal to n+sod(n) for n = 1340441124397 and 1340441124406.

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, 1523228111 + ... + 1523228990.

Almost surely, 2^{1340441124440} is an apocalyptic number.

1340441124440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340441124440 is an abundant number, since it is smaller than the sum of its proper divisors (1949732545720).

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

1340441124440 is a wasteful number, since it uses less digits than its factorization.

1340441124440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3046457123 (or 3046457119 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 1340441124440 its reverse (444211440431), we get a palindrome (1784652564871).

The spelling of 1340441124440 in words is "one trillion, three hundred forty billion, four hundred forty-one million, one hundred twenty-four thousand, four hundred forty".