420036055050 has 192 divisors, whose sum is σ = 1075418847360. Its totient is φ = 108434350080.

The previous prime is 420036055039. The next prime is 420036055057. The reversal of 420036055050 is 50550630024.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 420036054999 and 420036055017.

It is not an unprimeable number, because it can be changed into a prime (420036055057) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 416288946 + ... + 416289954.

It is an arithmetic number, because the mean of its divisors is an integer number (5601139830).

Almost surely, 2^420036055050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420036055050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (537709423680).

420036055050 is an abundant number, since it is smaller than the sum of its proper divisors (655382792310).

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

420036055050 is a wasteful number, since it uses less digits than its factorization.

420036055050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577 (or 1572 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 420036055050 its reverse (50550630024), we get a palindrome (470586685074).

The spelling of 420036055050 in words is "four hundred twenty billion, thirty-six million, fifty-five thousand, fifty".