420928030634 has 8 divisors (see below), whose sum is σ = 636363637248. Its totient is φ = 208806818220.

The previous prime is 420928030603. The next prime is 420928030643. The reversal of 420928030634 is 436030829024.

It is a happy number.

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 = 420928030591 and 420928030600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 828598232 + ... + 828598739.

It is an arithmetic number, because the mean of its divisors is an integer number (79545454656).

Almost surely, 2^420928030634 is an apocalyptic number.

420928030634 is a deficient number, since it is larger than the sum of its proper divisors (215435606614).

420928030634 is a wasteful number, since it uses less digits than its factorization.

420928030634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657197100.

The product of its (nonzero) digits is 248832, while the sum is 41.

Adding to 420928030634 its reverse (436030829024), we get a palindrome (856958859658).

The spelling of 420928030634 in words is "four hundred twenty billion, nine hundred twenty-eight million, thirty thousand, six hundred thirty-four".