405225434342 has 8 divisors (see below), whose sum is σ = 624266209776. Its totient is φ = 197136697752.

The previous prime is 405225434329. The next prime is 405225434351. The reversal of 405225434342 is 243434522504.

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

It is a junction number, because it is equal to n+sod(n) for n = 405225434296 and 405225434305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2738009618 + ... + 2738009765.

It is an arithmetic number, because the mean of its divisors is an integer number (78033276222).

Almost surely, 2^405225434342 is an apocalyptic number.

405225434342 is a deficient number, since it is larger than the sum of its proper divisors (219040775434).

405225434342 is a wasteful number, since it uses less digits than its factorization.

405225434342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5476019422.

The product of its (nonzero) digits is 460800, while the sum is 38.

Adding to 405225434342 its reverse (243434522504), we get a palindrome (648659956846).

The spelling of 405225434342 in words is "four hundred five billion, two hundred twenty-five million, four hundred thirty-four thousand, three hundred forty-two".