342405450565 has 16 divisors (see below), whose sum is σ = 434004696576. Its totient is φ = 258923246400.

The previous prime is 342405450559. The next prime is 342405450577. The reversal of 342405450565 is 565054504243.

It is a de Polignac number, because none of the positive numbers 2^k-342405450565 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25680166 + ... + 25693495.

It is an arithmetic number, because the mean of its divisors is an integer number (27125293536).

Almost surely, 2^342405450565 is an apocalyptic number.

It is an amenable number.

342405450565 is a deficient number, since it is larger than the sum of its proper divisors (91599246011).

342405450565 is a wasteful number, since it uses less digits than its factorization.

342405450565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51373740.

The product of its (nonzero) digits is 1440000, while the sum is 43.

The spelling of 342405450565 in words is "three hundred forty-two billion, four hundred five million, four hundred fifty thousand, five hundred sixty-five".