420404414 has 8 divisors (see below), whose sum is σ = 635420808. Its totient is φ = 208597480.

The previous prime is 420404401. The next prime is 420404461. The reversal of 420404414 is 414404024.

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

It is a self number, because there is not a number n which added to its sum of digits gives 420404414.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 802037 + ... + 802560.

It is an arithmetic number, because the mean of its divisors is an integer number (79427601).

Almost surely, 2^420404414 is an apocalyptic number.

420404414 is a deficient number, since it is larger than the sum of its proper divisors (215016394).

420404414 is a wasteful number, since it uses less digits than its factorization.

420404414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604730.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 420404414 is about 20503.7658492288. The cubic root of 420404414 is about 749.1275270779.

Adding to 420404414 its reverse (414404024), we get a palindrome (834808438).

The spelling of 420404414 in words is "four hundred twenty million, four hundred four thousand, four hundred fourteen".