1345243626426 has 64 divisors (see below), whose sum is σ = 3109495818240. Its totient is φ = 380033985600.

The previous prime is 1345243626409. The next prime is 1345243626677. The reversal of 1345243626426 is 6246263425431.

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 31 ways as a sum of consecutive naturals, for example, 2920275 + ... + 3349401.

It is an arithmetic number, because the mean of its divisors is an integer number (48585872160).

Almost surely, 2^{1345243626426} is an apocalyptic number.

1345243626426 is an abundant number, since it is smaller than the sum of its proper divisors (1764252191814).

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

1345243626426 is a wasteful number, since it uses less digits than its factorization.

1345243626426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429979.

The product of its digits is 4976640, while the sum is 48.

The spelling of 1345243626426 in words is "one trillion, three hundred forty-five billion, two hundred forty-three million, six hundred twenty-six thousand, four hundred twenty-six".