1340420144410 has 16 divisors (see below), whose sum is σ = 2495954752200. Its totient is φ = 517679503936.

The previous prime is 1340420144341. The next prime is 1340420144419. The reversal of 1340420144410 is 144410240431.

It can be written as a sum of positive squares in 4 ways, for example, as 773578298089 + 566841846321 = 879533^2 + 752889^2 .

It is not an unprimeable number, because it can be changed into a prime (1340420144419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2311068925 + ... + 2311069504.

Almost surely, 2^{1340420144410} is an apocalyptic number.

1340420144410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340420144410 is a deficient number, since it is larger than the sum of its proper divisors (1155534607790).

1340420144410 is a wasteful number, since it uses less digits than its factorization.

1340420144410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4622138465.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1340420144410 its reverse (144410240431), we get a palindrome (1484830384841).

The spelling of 1340420144410 in words is "one trillion, three hundred forty billion, four hundred twenty million, one hundred forty-four thousand, four hundred ten".