428923220010 has 32 divisors (see below), whose sum is σ = 1029433449600. Its totient is φ = 114377556288.

The previous prime is 428923220009. The next prime is 428923220041. The reversal of 428923220010 is 10022329824.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2742379 + ... + 2894561.

It is an arithmetic number, because the mean of its divisors is an integer number (32169795300).

Almost surely, 2^428923220010 is an apocalyptic number.

428923220010 is an abundant number, since it is smaller than the sum of its proper divisors (600510229590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428923220010 is a wasteful number, since it uses less digits than its factorization.

428923220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246142.

The product of its (nonzero) digits is 13824, while the sum is 33.

Adding to 428923220010 its reverse (10022329824), we get a palindrome (438945549834).

The spelling of 428923220010 in words is "four hundred twenty-eight billion, nine hundred twenty-three million, two hundred twenty thousand, ten".