342403504505 has 16 divisors (see below), whose sum is σ = 417665077248. Its totient is φ = 269403192000.

The previous prime is 342403504343. The next prime is 342403504567. The reversal of 342403504505 is 505405304243.

It is not a de Polignac number, because 342403504505 - 2¹⁴ = 342403488121 is a prime.

It is a Duffinian 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, 3028340 + ... + 3139370.

It is an arithmetic number, because the mean of its divisors is an integer number (26104067328).

Almost surely, 2^342403504505 is an apocalyptic number.

It is an amenable number.

342403504505 is a deficient number, since it is larger than the sum of its proper divisors (75261572743).

342403504505 is a wasteful number, since it uses less digits than its factorization.

342403504505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121208.

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 342403504505 its reverse (505405304243), we get a palindrome (847808808748).

The spelling of 342403504505 in words is "three hundred forty-two billion, four hundred three million, five hundred four thousand, five hundred five".