1340424004455 has 24 divisors (see below), whose sum is σ = 2403518906880. Its totient is φ = 690241325760.

The previous prime is 1340424004421. The next prime is 1340424004463. The reversal of 1340424004455 is 5544004240431.

1340424004455 is a `hidden beast` number, since 1 + 3 + 404 + 240 + 0 + 4 + 4 + 5 + 5 = 666.

It is not a de Polignac number, because 1340424004455 - 2⁷ = 1340424004327 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 513571111 + ... + 513573720.

It is an arithmetic number, because the mean of its divisors is an integer number (100146621120).

Almost surely, 2^{1340424004455} is an apocalyptic number.

1340424004455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1340424004455 is a deficient number, since it is larger than the sum of its proper divisors (1063094902425).

1340424004455 is a wasteful number, since it uses less digits than its factorization.

1340424004455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027144871 (or 1027144868 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 1340424004455 its reverse (5544004240431), we get a palindrome (6884428244886).

The spelling of 1340424004455 in words is "one trillion, three hundred forty billion, four hundred twenty-four million, four thousand, four hundred fifty-five".