1340573574578 has 8 divisors (see below), whose sum is σ = 2298126127872. Its totient is φ = 574531531956.

The previous prime is 1340573574577. The next prime is 1340573574583. The reversal of 1340573574578 is 8754753750431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1340573574577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47877627650 + ... + 47877627677.

It is an arithmetic number, because the mean of its divisors is an integer number (287265765984).

Almost surely, 2^{1340573574578} is an apocalyptic number.

1340573574578 is a deficient number, since it is larger than the sum of its proper divisors (957552553294).

1340573574578 is an equidigital number, since it uses as much as digits as its factorization.

1340573574578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95755255336.

The product of its (nonzero) digits is 49392000, while the sum is 59.

The spelling of 1340573574578 in words is "one trillion, three hundred forty billion, five hundred seventy-three million, five hundred seventy-four thousand, five hundred seventy-eight".