1340311500044 has 48 divisors (see below), whose sum is σ = 2577915142656. Its totient is φ = 604691438400.

The previous prime is 1340311500043. The next prime is 1340311500061. The reversal of 1340311500044 is 4400051130431.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1340311499986 and 1340311500022.

It is not an unprimeable number, because it can be changed into a prime (1340311500041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3210542 + ... + 3603914.

It is an arithmetic number, because the mean of its divisors is an integer number (53706565472).

Almost surely, 2^{1340311500044} is an apocalyptic number.

It is an amenable number.

1340311500044 is a deficient number, since it is larger than the sum of its proper divisors (1237603642612).

1340311500044 is a wasteful number, since it uses less digits than its factorization.

1340311500044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393966 (or 393964 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1340311500044 its reverse (4400051130431), we get a palindrome (5740362630475).

The spelling of 1340311500044 in words is "one trillion, three hundred forty billion, three hundred eleven million, five hundred thousand, forty-four".