405351332315 has 4 divisors (see below), whose sum is σ = 486421598784. Its totient is φ = 324281065848.

The previous prime is 405351332311. The next prime is 405351332359. The reversal of 405351332315 is 513233153504.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 405351332315 - 2² = 405351332311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405351332311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40535133227 + ... + 40535133236.

It is an arithmetic number, because the mean of its divisors is an integer number (121605399696).

Almost surely, 2^405351332315 is an apocalyptic number.

405351332315 is a deficient number, since it is larger than the sum of its proper divisors (81070266469).

405351332315 is an equidigital number, since it uses as much as digits as its factorization.

405351332315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81070266468.

The product of its (nonzero) digits is 81000, while the sum is 35.

Adding to 405351332315 its reverse (513233153504), we get a palindrome (918584485819).

The spelling of 405351332315 in words is "four hundred five billion, three hundred fifty-one million, three hundred thirty-two thousand, three hundred fifteen".