420455215050 has 48 divisors (see below), whose sum is σ = 1122938856480. Its totient is φ = 103496667840.

The previous prime is 420455215049. The next prime is 420455215091. The reversal of 420455215050 is 50512554024.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107807080 + ... + 107810979.

It is an arithmetic number, because the mean of its divisors is an integer number (23394559510).

Almost surely, 2^420455215050 is an apocalyptic number.

420455215050 is an abundant number, since it is smaller than the sum of its proper divisors (702483641430).

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

420455215050 is a wasteful number, since it uses less digits than its factorization.

420455215050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215618087 (or 215618082 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 33.

Adding to 420455215050 its reverse (50512554024), we get a palindrome (470967769074).

The spelling of 420455215050 in words is "four hundred twenty billion, four hundred fifty-five million, two hundred fifteen thousand, fifty".