1340224403434 has 16 divisors (see below), whose sum is σ = 2297580899328. Its totient is φ = 574368549552.

The previous prime is 1340224403431. The next prime is 1340224403459. The reversal of 1340224403434 is 4343044220431.

It is a self number, because there is not a number n which added to its sum of digits gives 1340224403434.

It is not an unprimeable number, because it can be changed into a prime (1340224403431) 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, 474442 + ... + 1704565.

It is an arithmetic number, because the mean of its divisors is an integer number (143598806208).

Almost surely, 2^{1340224403434} is an apocalyptic number.

1340224403434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1340224403434 is a deficient number, since it is larger than the sum of its proper divisors (957356495894).

1340224403434 is a wasteful number, since it uses less digits than its factorization.

1340224403434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222949.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 1340224403434 its reverse (4343044220431), we get a palindrome (5683268623865).

The spelling of 1340224403434 in words is "one trillion, three hundred forty billion, two hundred twenty-four million, four hundred three thousand, four hundred thirty-four".