405334345 has 16 divisors (see below), whose sum is σ = 534965760. Its totient is φ = 292953024.

The previous prime is 405334337. The next prime is 405334357. The reversal of 405334345 is 543433504.

It is not a de Polignac number, because 405334345 - 2³ = 405334337 is a prime.

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, 63285 + ... + 69394.

It is an arithmetic number, because the mean of its divisors is an integer number (33435360).

Almost surely, 2^405334345 is an apocalyptic number.

It is an amenable number.

405334345 is a deficient number, since it is larger than the sum of its proper divisors (129631415).

405334345 is a wasteful number, since it uses less digits than its factorization.

405334345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132744.

The product of its (nonzero) digits is 43200, while the sum is 31.

The square root of 405334345 is about 20132.9169520961. The cubic root of 405334345 is about 740.0671627621.

Adding to 405334345 its reverse (543433504), we get a palindrome (948767849).

The spelling of 405334345 in words is "four hundred five million, three hundred thirty-four thousand, three hundred forty-five".