420412165475 has 24 divisors (see below), whose sum is σ = 522715419072. Its totient is φ = 335424492800.

The previous prime is 420412165403. The next prime is 420412165507. The reversal of 420412165475 is 574561214024.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-420412165475 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24804854 + ... + 24821796.

It is an arithmetic number, because the mean of its divisors is an integer number (21779809128).

Almost surely, 2^420412165475 is an apocalyptic number.

420412165475 is a deficient number, since it is larger than the sum of its proper divisors (102303253597).

420412165475 is a wasteful number, since it uses less digits than its factorization.

420412165475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19567 (or 19562 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 41.

Adding to 420412165475 its reverse (574561214024), we get a palindrome (994973379499).

The spelling of 420412165475 in words is "four hundred twenty billion, four hundred twelve million, one hundred sixty-five thousand, four hundred seventy-five".