428052208630 has 8 divisors (see below), whose sum is σ = 770493975552. Its totient is φ = 171220883448.

The previous prime is 428052208627. The next prime is 428052208631. The reversal of 428052208630 is 36802250824.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428052208631) 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, 21402610422 + ... + 21402610441.

It is an arithmetic number, because the mean of its divisors is an integer number (96311746944).

Almost surely, 2^428052208630 is an apocalyptic number.

428052208630 is a deficient number, since it is larger than the sum of its proper divisors (342441766922).

428052208630 is a wasteful number, since it uses less digits than its factorization.

428052208630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42805220870.

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 428052208630 in words is "four hundred twenty-eight billion, fifty-two million, two hundred eight thousand, six hundred thirty".